Washington Interactive Heat Zones Map
| Zone 1 < 1 days > 86°F | Zone 2 1 - 7 days > 86°F | Zone 3 8 - 14 days > 86°F |
| Zone 4 15 - 30 days > 86°F | Zone 5 31 - 45 days > 86°F | Zone 6 46 - 60 days > 86°F |
To assist Washington gardeners, Plantmaps has derived zones indicating the average number of days each year that an area experiences temperatures over 86 degrees F. These zones are derived from the historical climate data from the National Weather Service.
Heat Zone Maps for Neighboring States and Provinces
Related Washington Maps:
Heat Zones for Cities and Towns in Washington
| Location | Heat Zone |
|---|---|
| Aberdeen | Heat Zone 1 < 1 days > 86°F |
| Aberdeen Gardens | Heat Zone 1 < 1 days > 86°F |
| Acme | Heat Zone 1 < 1 days > 86°F |
| Addy | Heat Zone 5 31 - 45 days > 86°F |
| Adna | Heat Zone 1 < 1 days > 86°F |
| Agnew | Heat Zone 1 < 1 days > 86°F |
| Ahtanum | Heat Zone 5 31 - 45 days > 86°F |
| Airway Heights | Heat Zone 2 1 - 7 days > 86°F |
| Albion | Heat Zone 2 1 - 7 days > 86°F |
| Alder | Heat Zone 1 < 1 days > 86°F |
| Alderton | Heat Zone 1 < 1 days > 86°F |
| Alderwood Manor | Heat Zone 1 < 1 days > 86°F |
| Alger | Heat Zone 1 < 1 days > 86°F |
| Algona | Heat Zone 1 < 1 days > 86°F |
| Allyn | Heat Zone 1 < 1 days > 86°F |
| Almira | Heat Zone 5 31 - 45 days > 86°F |
| Altoona | Heat Zone 1 < 1 days > 86°F |
| Amanda Park | Heat Zone 1 < 1 days > 86°F |
| Amboy | Heat Zone 1 < 1 days > 86°F |
| Ames Lake | Heat Zone 1 < 1 days > 86°F |
| Anacortes | Heat Zone 1 < 1 days > 86°F |
| Anatone | Heat Zone 5 31 - 45 days > 86°F |
| Anderson Island | Heat Zone 1 < 1 days > 86°F |
| Appleton | Heat Zone 1 < 1 days > 86°F |
| Ardenvoir | Heat Zone 5 31 - 45 days > 86°F |
| Ariel | Heat Zone 1 < 1 days > 86°F |
| Arlington | Heat Zone 1 < 1 days > 86°F |
| Arlington Heights | Heat Zone 1 < 1 days > 86°F |
| Artondale | Heat Zone 1 < 1 days > 86°F |
| Ashford | Heat Zone 1 < 1 days > 86°F |
| Asotin | Heat Zone 5 31 - 45 days > 86°F |
| Auburn | Heat Zone 1 < 1 days > 86°F |
| Ault Field | Heat Zone 1 < 1 days > 86°F |
| Bainbridge Island | Heat Zone 1 < 1 days > 86°F |
| Bangor Trident Base | Heat Zone 1 < 1 days > 86°F |
| Banks Lake South | Heat Zone 5 31 - 45 days > 86°F |
| Barberton | Heat Zone 1 < 1 days > 86°F |
| Baring | Heat Zone 1 < 1 days > 86°F |
| Barstow | Heat Zone 5 31 - 45 days > 86°F |
| Basin City | Heat Zone 5 31 - 45 days > 86°F |
| Battle Ground | Heat Zone 1 < 1 days > 86°F |
| Bay Center | Heat Zone 1 < 1 days > 86°F |
| Bay View | Heat Zone 1 < 1 days > 86°F |
| Beaux Arts Village | Heat Zone 1 < 1 days > 86°F |
| Beaver | Heat Zone 1 < 1 days > 86°F |
| Belfair | Heat Zone 1 < 1 days > 86°F |
| Bell Hill | Heat Zone 1 < 1 days > 86°F |
| Bellevue | Heat Zone 1 < 1 days > 86°F |
| Bellingham | Heat Zone 1 < 1 days > 86°F |
| Belmont | Heat Zone 2 1 - 7 days > 86°F |
| Benge | Heat Zone 5 31 - 45 days > 86°F |
| Benton City | Heat Zone 5 31 - 45 days > 86°F |
| Bethel | Heat Zone 1 < 1 days > 86°F |
| Beverly | Heat Zone 6 46 - 60 days > 86°F |
| Bickleton | Heat Zone 1 < 1 days > 86°F |
| Big Lake | Heat Zone 1 < 1 days > 86°F |
| Bingen | Heat Zone 1 < 1 days > 86°F |
| Birch Bay | Heat Zone 1 < 1 days > 86°F |
| Black Diamond | Heat Zone 1 < 1 days > 86°F |
| Blaine | Heat Zone 1 < 1 days > 86°F |
| Blakely Island | Heat Zone 1 < 1 days > 86°F |
| Blueslide | Heat Zone 4 15 - 30 days > 86°F |
| Blyn | Heat Zone 1 < 1 days > 86°F |
| Bonney Lake | Heat Zone 1 < 1 days > 86°F |
| Bothell | Heat Zone 1 < 1 days > 86°F |
| Boulevard Park | Heat Zone 1 < 1 days > 86°F |
| Boundary | Heat Zone 4 15 - 30 days > 86°F |
| Bow | Heat Zone 1 < 1 days > 86°F |
| Boyds | Heat Zone 5 31 - 45 days > 86°F |
| Brady | Heat Zone 1 < 1 days > 86°F |
| Bremerton | Heat Zone 1 < 1 days > 86°F |
| Brewster | Heat Zone 5 31 - 45 days > 86°F |
| Bridgeport | Heat Zone 6 46 - 60 days > 86°F |
| Brier | Heat Zone 1 < 1 days > 86°F |
| Brinnon | Heat Zone 1 < 1 days > 86°F |
| Brownstown | Heat Zone 5 31 - 45 days > 86°F |
| Brush Prairie | Heat Zone 1 < 1 days > 86°F |
| Bryant | Heat Zone 1 < 1 days > 86°F |
| Bryn Mawr-Skyway | Heat Zone 1 < 1 days > 86°F |
| Buckley | Heat Zone 1 < 1 days > 86°F |
| Bucoda | Heat Zone 1 < 1 days > 86°F |
| Buena | Heat Zone 5 31 - 45 days > 86°F |
| Burbank | Heat Zone 6 46 - 60 days > 86°F |
| Burien | Heat Zone 1 < 1 days > 86°F |
| Burley | Heat Zone 1 < 1 days > 86°F |
| Burlington | Heat Zone 1 < 1 days > 86°F |
| Burton | Heat Zone 1 < 1 days > 86°F |
| Camano | Heat Zone 1 < 1 days > 86°F |
| Camano Island | Heat Zone 1 < 1 days > 86°F |
| Camas | Heat Zone 1 < 1 days > 86°F |
| Camp Murray | Heat Zone 1 < 1 days > 86°F |
| Canterwood | Heat Zone 1 < 1 days > 86°F |
| Carbonado | Heat Zone 1 < 1 days > 86°F |
| Carlsborg | Heat Zone 1 < 1 days > 86°F |
| Carlton | Heat Zone 5 31 - 45 days > 86°F |
| Carnation | Heat Zone 1 < 1 days > 86°F |
| Carrolls | Heat Zone 1 < 1 days > 86°F |
| Carson | Heat Zone 1 < 1 days > 86°F |
| Carson River Valley | Heat Zone 1 < 1 days > 86°F |
| Cascade Park East | Heat Zone 1 < 1 days > 86°F |
| Cascade Park West | Heat Zone 1 < 1 days > 86°F |
| Cascade Valley | Heat Zone 5 31 - 45 days > 86°F |
| Cascade-Fairwood | Heat Zone 1 < 1 days > 86°F |
| Cashmere | Heat Zone 5 31 - 45 days > 86°F |
| Castle Rock | Heat Zone 1 < 1 days > 86°F |
| Cathan | Heat Zone 1 < 1 days > 86°F |
| Cathcart | Heat Zone 1 < 1 days > 86°F |
| Cathlamet | Heat Zone 1 < 1 days > 86°F |
| Cedonia | Heat Zone 4 15 - 30 days > 86°F |
| Centerville | Heat Zone 4 15 - 30 days > 86°F |
| Central Park | Heat Zone 1 < 1 days > 86°F |
| Centralia | Heat Zone 1 < 1 days > 86°F |
| Chattaroy | Heat Zone 4 15 - 30 days > 86°F |
| Chehalis | Heat Zone 1 < 1 days > 86°F |
| Chehalis Village | Heat Zone 1 < 1 days > 86°F |
| Chehalis/Centralia | Heat Zone 1 < 1 days > 86°F |
| Chelan | Heat Zone 4 15 - 30 days > 86°F |
| Chelan Falls | Heat Zone 4 15 - 30 days > 86°F |
| Cheney | Heat Zone 3 8 - 14 days > 86°F |
| Cherry Grove | Heat Zone 1 < 1 days > 86°F |
| Chesaw | Heat Zone 4 15 - 30 days > 86°F |
| Chewelah | Heat Zone 5 31 - 45 days > 86°F |
| Chico | Heat Zone 1 < 1 days > 86°F |
| Chimacum | Heat Zone 1 < 1 days > 86°F |
| Chinook | Heat Zone 1 < 1 days > 86°F |
| Cinebar | Heat Zone 1 < 1 days > 86°F |
| Clallam Bay | Heat Zone 1 < 1 days > 86°F |
| Clarkston | Heat Zone 5 31 - 45 days > 86°F |
| Clarkston Heights-Vineland | Heat Zone 5 31 - 45 days > 86°F |
| Clayton | Heat Zone 4 15 - 30 days > 86°F |
| Cle Elum | Heat Zone 1 < 1 days > 86°F |
| Clear Lake | Heat Zone 1 < 1 days > 86°F |
| Clearview | Heat Zone 1 < 1 days > 86°F |
| Clearwater | Heat Zone 1 < 1 days > 86°F |
| Cliffdell | Heat Zone 1 < 1 days > 86°F |
| Clinton | Heat Zone 1 < 1 days > 86°F |
| Clipper | Heat Zone 1 < 1 days > 86°F |
| Clyde Hill | Heat Zone 1 < 1 days > 86°F |
| Cohassett Beach | Heat Zone 1 < 1 days > 86°F |
| Colbert | Heat Zone 3 8 - 14 days > 86°F |
| Colfax | Heat Zone 3 8 - 14 days > 86°F |
| College Place | Heat Zone 5 31 - 45 days > 86°F |
| Colton | Heat Zone 4 15 - 30 days > 86°F |
| Colville | Heat Zone 5 31 - 45 days > 86°F |
| Colville Agency | Heat Zone 5 31 - 45 days > 86°F |
| Conconully | Heat Zone 2 1 - 7 days > 86°F |
| Concrete | Heat Zone 1 < 1 days > 86°F |
| Connell | Heat Zone 6 46 - 60 days > 86°F |
| Conway | Heat Zone 1 < 1 days > 86°F |
| Copalis Beach | Heat Zone 1 < 1 days > 86°F |
| Copalis Crossing | Heat Zone 1 < 1 days > 86°F |
| Cosmopolis | Heat Zone 1 < 1 days > 86°F |
| Cottage Lake | Heat Zone 1 < 1 days > 86°F |
| Cougar | Heat Zone 1 < 1 days > 86°F |
| Coulee City | Heat Zone 5 31 - 45 days > 86°F |
| Coulee Dam | Heat Zone 5 31 - 45 days > 86°F |
| Country Homes | Heat Zone 2 1 - 7 days > 86°F |
| Coupeville | Heat Zone 1 < 1 days > 86°F |
| Covington | Heat Zone 1 < 1 days > 86°F |
| Cowiche | Heat Zone 5 31 - 45 days > 86°F |
| Creston | Heat Zone 3 8 - 14 days > 86°F |
| Cunningham | Heat Zone 6 46 - 60 days > 86°F |
| Curlew | Heat Zone 4 15 - 30 days > 86°F |
| Curtis | Heat Zone 1 < 1 days > 86°F |
| Cusick | Heat Zone 4 15 - 30 days > 86°F |
| Custer | Heat Zone 1 < 1 days > 86°F |
| Dalkena | Heat Zone 4 15 - 30 days > 86°F |
| Dallesport | Heat Zone 5 31 - 45 days > 86°F |
| Danville | Heat Zone 4 15 - 30 days > 86°F |
| Darrington | Heat Zone 1 < 1 days > 86°F |
| Dash Point | Heat Zone 1 < 1 days > 86°F |
| Davenport | Heat Zone 2 1 - 7 days > 86°F |
| Dayton | Heat Zone 5 31 - 45 days > 86°F |
| Deep River | Heat Zone 1 < 1 days > 86°F |
| Deer Harbor | Heat Zone 1 < 1 days > 86°F |
| Deer Park | Heat Zone 4 15 - 30 days > 86°F |
| Deming | Heat Zone 1 < 1 days > 86°F |
| Des Moines | Heat Zone 1 < 1 days > 86°F |
| Desert Aire | Heat Zone 6 46 - 60 days > 86°F |
| Disautel | Heat Zone 5 31 - 45 days > 86°F |
| Dishman | Heat Zone 2 1 - 7 days > 86°F |
| Dixie | Heat Zone 5 31 - 45 days > 86°F |
| Doebay | Heat Zone 1 < 1 days > 86°F |
| Dollar Corner | Heat Zone 1 < 1 days > 86°F |
| Donald | Heat Zone 5 31 - 45 days > 86°F |
| Doty | Heat Zone 1 < 1 days > 86°F |
| Dryden | Heat Zone 5 31 - 45 days > 86°F |
| Dulwich | Heat Zone 5 31 - 45 days > 86°F |
| Dungeness | Heat Zone 1 < 1 days > 86°F |
| Dupont | Heat Zone 1 < 1 days > 86°F |
| Duvall | Heat Zone 1 < 1 days > 86°F |
| East Cathlamet | Heat Zone 1 < 1 days > 86°F |
| East Hill-Meridian | Heat Zone 1 < 1 days > 86°F |
| East Olympia | Heat Zone 1 < 1 days > 86°F |
| East Port Orchard | Heat Zone 1 < 1 days > 86°F |
| East Renton Highlands | Heat Zone 1 < 1 days > 86°F |
| East Wenatchee | Heat Zone 5 31 - 45 days > 86°F |
| East Wenatchee Bench | Heat Zone 5 31 - 45 days > 86°F |
| Eastgate | Heat Zone 1 < 1 days > 86°F |
| Easton | Heat Zone 1 < 1 days > 86°F |
| Eastsound | Heat Zone 1 < 1 days > 86°F |
| Eatonville | Heat Zone 1 < 1 days > 86°F |
| Echo Lake | Heat Zone 1 < 1 days > 86°F |
| Edgewood | Heat Zone 1 < 1 days > 86°F |
| Edison | Heat Zone 1 < 1 days > 86°F |
| Edmonds | Heat Zone 1 < 1 days > 86°F |
| Edwall | Heat Zone 3 8 - 14 days > 86°F |
| Elbe | Heat Zone 1 < 1 days > 86°F |
| Electric City | Heat Zone 5 31 - 45 days > 86°F |
| Elk | Heat Zone 4 15 - 30 days > 86°F |
| Elk Plain | Heat Zone 1 < 1 days > 86°F |
| Ellensburg | Heat Zone 2 1 - 7 days > 86°F |
| Ellisforde | Heat Zone 5 31 - 45 days > 86°F |
| Ellsworth North | Heat Zone 1 < 1 days > 86°F |
| Ellsworth South | Heat Zone 1 < 1 days > 86°F |
| Elma | Heat Zone 1 < 1 days > 86°F |
| Elmer City | Heat Zone 5 31 - 45 days > 86°F |
| Eltopia | Heat Zone 5 31 - 45 days > 86°F |
| Endicott | Heat Zone 4 15 - 30 days > 86°F |
| Enetai | Heat Zone 1 < 1 days > 86°F |
| Entiat | Heat Zone 4 15 - 30 days > 86°F |
| Enumclaw | Heat Zone 1 < 1 days > 86°F |
| Ephrata | Heat Zone 5 31 - 45 days > 86°F |
| Erlands Point-Kitsap Lake | Heat Zone 1 < 1 days > 86°F |
| Eschbach | Heat Zone 5 31 - 45 days > 86°F |
| Esperance | Heat Zone 1 < 1 days > 86°F |
| Ethel | Heat Zone 1 < 1 days > 86°F |
| Evans | Heat Zone 5 31 - 45 days > 86°F |
| Everett | Heat Zone 1 < 1 days > 86°F |
| Evergreen | Heat Zone 1 < 1 days > 86°F |
| Everson | Heat Zone 1 < 1 days > 86°F |
| Fairchild AFB | Heat Zone 2 1 - 7 days > 86°F |
| Fairfield | Heat Zone 2 1 - 7 days > 86°F |
| Fairholm | Heat Zone 1 < 1 days > 86°F |
| Fairwood | Heat Zone 2 1 - 7 days > 86°F |
| Fall City | Heat Zone 1 < 1 days > 86°F |
| Farmington | Heat Zone 2 1 - 7 days > 86°F |
| Federal Way | Heat Zone 1 < 1 days > 86°F |
| Felida | Heat Zone 1 < 1 days > 86°F |
| Fern Prairie | Heat Zone 1 < 1 days > 86°F |
| Ferndale | Heat Zone 1 < 1 days > 86°F |
| Fife | Heat Zone 1 < 1 days > 86°F |
| Fife Heights | Heat Zone 1 < 1 days > 86°F |
| Finley | Heat Zone 6 46 - 60 days > 86°F |
| Fircrest | Heat Zone 1 < 1 days > 86°F |
| Five Corners | Heat Zone 1 < 1 days > 86°F |
| Fobes Hill | Heat Zone 1 < 1 days > 86°F |
| Ford | Heat Zone 4 15 - 30 days > 86°F |
| Fords Prairie | Heat Zone 1 < 1 days > 86°F |
| Forks | Heat Zone 1 < 1 days > 86°F |
| Forston | Heat Zone 1 < 1 days > 86°F |
| Fort Flagler | Heat Zone 1 < 1 days > 86°F |
| Fort Lewis | Heat Zone 1 < 1 days > 86°F |
| Four Lakes | Heat Zone 2 1 - 7 days > 86°F |
| Fox Island | Heat Zone 1 < 1 days > 86°F |
| Frederickson | Heat Zone 1 < 1 days > 86°F |
| Freeland | Heat Zone 1 < 1 days > 86°F |
| Freeman | Heat Zone 2 1 - 7 days > 86°F |
| Friday Harbor | Heat Zone 1 < 1 days > 86°F |
| Fruitland | Heat Zone 4 15 - 30 days > 86°F |
| Fruitvale | Heat Zone 5 31 - 45 days > 86°F |
| Furport | Heat Zone 4 15 - 30 days > 86°F |
| Galvin | Heat Zone 1 < 1 days > 86°F |
| Garfield | Heat Zone 2 1 - 7 days > 86°F |
| Garrett | Heat Zone 5 31 - 45 days > 86°F |
| Geneva | Heat Zone 1 < 1 days > 86°F |
| George | Heat Zone 5 31 - 45 days > 86°F |
| Getchell | Heat Zone 1 < 1 days > 86°F |
| Gifford | Heat Zone 4 15 - 30 days > 86°F |
| Gig Harbor | Heat Zone 1 < 1 days > 86°F |
| Glacier | Heat Zone 1 < 1 days > 86°F |
| Gleed | Heat Zone 5 31 - 45 days > 86°F |
| Glenoma | Heat Zone 1 < 1 days > 86°F |
| Glenwood | Heat Zone 1 < 1 days > 86°F |
| Gold Bar | Heat Zone 1 < 1 days > 86°F |
| Goldendale | Heat Zone 3 8 - 14 days > 86°F |
| Goose Prairie | Heat Zone 1 < 1 days > 86°F |
| Gorst | Heat Zone 1 < 1 days > 86°F |
| Graham | Heat Zone 1 < 1 days > 86°F |
| Grand Coulee | Heat Zone 5 31 - 45 days > 86°F |
| Grand Mound | Heat Zone 1 < 1 days > 86°F |
| Grandview | Heat Zone 6 46 - 60 days > 86°F |
| Granger | Heat Zone 5 31 - 45 days > 86°F |
| Granite Falls | Heat Zone 1 < 1 days > 86°F |
| Grapeview | Heat Zone 1 < 1 days > 86°F |
| Grayland | Heat Zone 1 < 1 days > 86°F |
| Grays River | Heat Zone 1 < 1 days > 86°F |
| Green Acres | Heat Zone 3 8 - 14 days > 86°F |
| Green Bluff | Heat Zone 3 8 - 14 days > 86°F |
| Greenacres | Heat Zone 3 8 - 14 days > 86°F |
| Greenbank | Heat Zone 1 < 1 days > 86°F |
| Greenwater | Heat Zone 1 < 1 days > 86°F |
| Hamilton | Heat Zone 1 < 1 days > 86°F |
| Hansville | Heat Zone 1 < 1 days > 86°F |
| Harbour Pointe | Heat Zone 1 < 1 days > 86°F |
| Harrah | Heat Zone 5 31 - 45 days > 86°F |
| Harrington | Heat Zone 3 8 - 14 days > 86°F |
| Hartline | Heat Zone 5 31 - 45 days > 86°F |
| Hatton | Heat Zone 6 46 - 60 days > 86°F |
| Hay | Heat Zone 5 31 - 45 days > 86°F |
| Hazel Dell | Heat Zone 1 < 1 days > 86°F |
| Hazel Dell North | Heat Zone 1 < 1 days > 86°F |
| Hazel Dell South | Heat Zone 1 < 1 days > 86°F |
| Heisson | Heat Zone 1 < 1 days > 86°F |
| Highland | Heat Zone 6 46 - 60 days > 86°F |
| Hobart | Heat Zone 1 < 1 days > 86°F |
| Hockinson | Heat Zone 1 < 1 days > 86°F |
| Home | Heat Zone 1 < 1 days > 86°F |
| Hoodsport | Heat Zone 1 < 1 days > 86°F |
| Hooper | Heat Zone 5 31 - 45 days > 86°F |
| Hoquiam | Heat Zone 1 < 1 days > 86°F |
| Humptulips | Heat Zone 1 < 1 days > 86°F |
| Hunters | Heat Zone 4 15 - 30 days > 86°F |
| Hunts Point | Heat Zone 1 < 1 days > 86°F |
| Husum | Heat Zone 1 < 1 days > 86°F |
| Ilwaco | Heat Zone 1 < 1 days > 86°F |
| Inchelium | Heat Zone 4 15 - 30 days > 86°F |
| Index | Heat Zone 1 < 1 days > 86°F |
| Indianola | Heat Zone 1 < 1 days > 86°F |
| Inglewood-Finn Hill | Heat Zone 1 < 1 days > 86°F |
| Ione | Heat Zone 4 15 - 30 days > 86°F |
| Issaquah | Heat Zone 1 < 1 days > 86°F |
| Jamestown | Heat Zone 1 < 1 days > 86°F |
| Jared | Heat Zone 4 15 - 30 days > 86°F |
| John Sam Lake | Heat Zone 1 < 1 days > 86°F |
| Joyce | Heat Zone 1 < 1 days > 86°F |
| Junction City | Heat Zone 1 < 1 days > 86°F |
| Kahlotus | Heat Zone 6 46 - 60 days > 86°F |
| Kalaloch | Heat Zone 1 < 1 days > 86°F |
| Kalama | Heat Zone 2 1 - 7 days > 86°F |
| Kapowsin | Heat Zone 1 < 1 days > 86°F |
| Keller | Heat Zone 5 31 - 45 days > 86°F |
| Kelso | Heat Zone 1 < 1 days > 86°F |
| Kendall | Heat Zone 1 < 1 days > 86°F |
| Kenmore | Heat Zone 1 < 1 days > 86°F |
| Kennewick | Heat Zone 6 46 - 60 days > 86°F |
| Kent | Heat Zone 1 < 1 days > 86°F |
| Ketron | Heat Zone 1 < 1 days > 86°F |
| Kettle Falls | Heat Zone 5 31 - 45 days > 86°F |
| Key Center | Heat Zone 1 < 1 days > 86°F |
| Keyport | Heat Zone 1 < 1 days > 86°F |
| Kingsgate | Heat Zone 1 < 1 days > 86°F |
| Kingston | Heat Zone 1 < 1 days > 86°F |
| Kirkland | Heat Zone 1 < 1 days > 86°F |
| Kittitas | Heat Zone 3 8 - 14 days > 86°F |
| Klahanie | Heat Zone 1 < 1 days > 86°F |
| Klickitat | Heat Zone 4 15 - 30 days > 86°F |
| Krupp | Heat Zone 5 31 - 45 days > 86°F |
| La Center | Heat Zone 1 < 1 days > 86°F |
| La Conner | Heat Zone 1 < 1 days > 86°F |
| La Crosse | Heat Zone 5 31 - 45 days > 86°F |
| La Grande | Heat Zone 1 < 1 days > 86°F |
| La Push | Heat Zone 1 < 1 days > 86°F |
| Lacey | Heat Zone 1 < 1 days > 86°F |
| Lafleur | Heat Zone 5 31 - 45 days > 86°F |
| Lake Bosworth | Heat Zone 1 < 1 days > 86°F |
| Lake Cavanaugh | Heat Zone 1 < 1 days > 86°F |
| Lake Forest North | Heat Zone 1 < 1 days > 86°F |
| Lake Forest Park | Heat Zone 1 < 1 days > 86°F |
| Lake Goodwin | Heat Zone 1 < 1 days > 86°F |
| Lake Ketchum | Heat Zone 1 < 1 days > 86°F |
| Lake Marcel-Stillwater | Heat Zone 1 < 1 days > 86°F |
| Lake McMurray | Heat Zone 1 < 1 days > 86°F |
| Lake Morton-Berrydale | Heat Zone 1 < 1 days > 86°F |
| Lake Roesiger | Heat Zone 1 < 1 days > 86°F |
| Lake Shore | Heat Zone 1 < 1 days > 86°F |
| Lake Stevens | Heat Zone 1 < 1 days > 86°F |
| Lakebay | Heat Zone 1 < 1 days > 86°F |
| Lakeland North | Heat Zone 1 < 1 days > 86°F |
| Lakeland South | Heat Zone 1 < 1 days > 86°F |
| Lakeview | Heat Zone 5 31 - 45 days > 86°F |
| Lakewood | Heat Zone 1 < 1 days > 86°F |
| Lamona | Heat Zone 5 31 - 45 days > 86°F |
| Lamont | Heat Zone 4 15 - 30 days > 86°F |
| Langley | Heat Zone 1 < 1 days > 86°F |
| Latah | Heat Zone 2 1 - 7 days > 86°F |
| Laurier | Heat Zone 5 31 - 45 days > 86°F |
| Lea Hill | Heat Zone 1 < 1 days > 86°F |
| Leadpoint | Heat Zone 4 15 - 30 days > 86°F |
| Leavenworth | Heat Zone 5 31 - 45 days > 86°F |
| Lebam | Heat Zone 1 < 1 days > 86°F |
| Lewisville | Heat Zone 1 < 1 days > 86°F |
| Liberty Lake | Heat Zone 3 8 - 14 days > 86°F |
| Lilliwaup | Heat Zone 1 < 1 days > 86°F |
| Lincoln | Heat Zone 3 8 - 14 days > 86°F |
| Lind | Heat Zone 6 46 - 60 days > 86°F |
| Littlerock | Heat Zone 1 < 1 days > 86°F |
| Lochsloy | Heat Zone 1 < 1 days > 86°F |
| Lofall | Heat Zone 1 < 1 days > 86°F |
| Long Beach | Heat Zone 1 < 1 days > 86°F |
| Longbranch | Heat Zone 1 < 1 days > 86°F |
| Longmire | Heat Zone 1 < 1 days > 86°F |
| Longview | Heat Zone 1 < 1 days > 86°F |
| Longview Heights | Heat Zone 1 < 1 days > 86°F |
| Loomis | Heat Zone 4 15 - 30 days > 86°F |
| Loon Lake | Heat Zone 4 15 - 30 days > 86°F |
| Lopez Island | Heat Zone 1 < 1 days > 86°F |
| Lummi Island | Heat Zone 1 < 1 days > 86°F |
| Lyle | Heat Zone 4 15 - 30 days > 86°F |
| Lyman | Heat Zone 1 < 1 days > 86°F |
| Lynden | Heat Zone 1 < 1 days > 86°F |
| Lynnwood | Heat Zone 1 < 1 days > 86°F |
| Mabana | Heat Zone 1 < 1 days > 86°F |
| Mabton | Heat Zone 6 46 - 60 days > 86°F |
| Machias | Heat Zone 1 < 1 days > 86°F |
| Malaga | Heat Zone 5 31 - 45 days > 86°F |
| Malden | Heat Zone 3 8 - 14 days > 86°F |
| Malo | Heat Zone 3 8 - 14 days > 86°F |
| Malone | Heat Zone 1 < 1 days > 86°F |
| Malott | Heat Zone 4 15 - 30 days > 86°F |
| Maltby | Heat Zone 1 < 1 days > 86°F |
| Manchester | Heat Zone 1 < 1 days > 86°F |
| Mansfield | Heat Zone 5 31 - 45 days > 86°F |
| Manson | Heat Zone 4 15 - 30 days > 86°F |
| Maple Falls | Heat Zone 1 < 1 days > 86°F |
| Maple Heights-Lake Desire | Heat Zone 1 < 1 days > 86°F |
| Maple Valley | Heat Zone 1 < 1 days > 86°F |
| Marblemount | Heat Zone 1 < 1 days > 86°F |
| Marcus | Heat Zone 5 31 - 45 days > 86°F |
| Marietta | Heat Zone 1 < 1 days > 86°F |
| Marietta-Alderwood | Heat Zone 1 < 1 days > 86°F |
| Markham | Heat Zone 1 < 1 days > 86°F |
| Marlin | Heat Zone 5 31 - 45 days > 86°F |
| Marrowstone | Heat Zone 1 < 1 days > 86°F |
| Marshall | Heat Zone 2 1 - 7 days > 86°F |
| Martha Lake | Heat Zone 1 < 1 days > 86°F |
| Maryhill | Heat Zone 3 8 - 14 days > 86°F |
| Marysville | Heat Zone 1 < 1 days > 86°F |
| Matlock | Heat Zone 1 < 1 days > 86°F |
| Mattawa | Heat Zone 6 46 - 60 days > 86°F |
| May Creek | Heat Zone 1 < 1 days > 86°F |
| Mazama | Heat Zone 3 8 - 14 days > 86°F |
| McChord Air Force Base | Heat Zone 1 < 1 days > 86°F |
| McCleary | Heat Zone 1 < 1 days > 86°F |
| McKenna | Heat Zone 1 < 1 days > 86°F |
| McMillin | Heat Zone 1 < 1 days > 86°F |
| Mead | Heat Zone 3 8 - 14 days > 86°F |
| Meadow Glade | Heat Zone 1 < 1 days > 86°F |
| Meadowdale | Heat Zone 1 < 1 days > 86°F |
| Medical Lake | Heat Zone 3 8 - 14 days > 86°F |
| Medina | Heat Zone 1 < 1 days > 86°F |
| Megler | Heat Zone 1 < 1 days > 86°F |
| Menlo | Heat Zone 1 < 1 days > 86°F |
| Mercer Island | Heat Zone 1 < 1 days > 86°F |
| Mesa | Heat Zone 5 31 - 45 days > 86°F |
| Metaline | Heat Zone 3 8 - 14 days > 86°F |
| Metaline Falls | Heat Zone 3 8 - 14 days > 86°F |
| Methow | Heat Zone 5 31 - 45 days > 86°F |
| Mica | Heat Zone 2 1 - 7 days > 86°F |
| Midland | Heat Zone 1 < 1 days > 86°F |
| Mill Creek | Heat Zone 1 < 1 days > 86°F |
| Mill Plain | Heat Zone 1 < 1 days > 86°F |
| Millwood | Heat Zone 2 1 - 7 days > 86°F |
| Milton | Heat Zone 1 < 1 days > 86°F |
| Mineral | Heat Zone 1 < 1 days > 86°F |
| Minnehaha | Heat Zone 1 < 1 days > 86°F |
| Mirrormont | Heat Zone 1 < 1 days > 86°F |
| Moclips | Heat Zone 1 < 1 days > 86°F |
| Mohler | Heat Zone 4 15 - 30 days > 86°F |
| Monitor | Heat Zone 5 31 - 45 days > 86°F |
| Monroe | Heat Zone 1 < 1 days > 86°F |
| Monse | Heat Zone 6 46 - 60 days > 86°F |
| Monte Cristo | Heat Zone 1 < 1 days > 86°F |
| Montesano | Heat Zone 1 < 1 days > 86°F |
| Morton | Heat Zone 1 < 1 days > 86°F |
| Moses Lake | Heat Zone 5 31 - 45 days > 86°F |
| Moses Lake North | Heat Zone 5 31 - 45 days > 86°F |
| Mossyrock | Heat Zone 1 < 1 days > 86°F |
| Mount Rainier Natl Park | Heat Zone 1 < 1 days > 86°F |
| Mount Vernon | Heat Zone 1 < 1 days > 86°F |
| Mount Vista | Heat Zone 1 < 1 days > 86°F |
| Mountlake Terrace | Heat Zone 1 < 1 days > 86°F |
| Moxee | Heat Zone 5 31 - 45 days > 86°F |
| Mukilteo | Heat Zone 1 < 1 days > 86°F |
| Naches | Heat Zone 4 15 - 30 days > 86°F |
| Nahcotta | Heat Zone 1 < 1 days > 86°F |
| Napavine | Heat Zone 1 < 1 days > 86°F |
| Naselle | Heat Zone 1 < 1 days > 86°F |
| Navy Yard City | Heat Zone 1 < 1 days > 86°F |
| Neah Bay | Heat Zone 1 < 1 days > 86°F |
| Neilton | Heat Zone 1 < 1 days > 86°F |
| Nespelem | Heat Zone 5 31 - 45 days > 86°F |
| Nespelem Community | Heat Zone 5 31 - 45 days > 86°F |
| Newcastle | Heat Zone 1 < 1 days > 86°F |
| Newman Lake | Heat Zone 4 15 - 30 days > 86°F |
| Newport | Heat Zone 4 15 - 30 days > 86°F |
| Newport Hills | Heat Zone 1 < 1 days > 86°F |
| Nighthawk | Heat Zone 4 15 - 30 days > 86°F |
| Nile | Heat Zone 3 8 - 14 days > 86°F |
| Nine Mile Falls | Heat Zone 3 8 - 14 days > 86°F |
| Nisqually Indian Community | Heat Zone 1 < 1 days > 86°F |
| Nooksack | Heat Zone 1 < 1 days > 86°F |
| Nordland | Heat Zone 1 < 1 days > 86°F |
| Normandy Park | Heat Zone 1 < 1 days > 86°F |
| North Bend | Heat Zone 1 < 1 days > 86°F |
| North Bonneville | Heat Zone 1 < 1 days > 86°F |
| North Cascades Natl Park | Heat Zone 1 < 1 days > 86°F |
| North Creek | Heat Zone 1 < 1 days > 86°F |
| North Hill | Heat Zone 1 < 1 days > 86°F |
| North Lakewood | Heat Zone 1 < 1 days > 86°F |
| North Marysville | Heat Zone 1 < 1 days > 86°F |
| North Omak | Heat Zone 5 31 - 45 days > 86°F |
| North Puyallup | Heat Zone 1 < 1 days > 86°F |
| North Stanwood | Heat Zone 1 < 1 days > 86°F |
| North Sultan | Heat Zone 1 < 1 days > 86°F |
| North Yelm | Heat Zone 1 < 1 days > 86°F |
| Northport | Heat Zone 5 31 - 45 days > 86°F |
| Oak Harbor | Heat Zone 1 < 1 days > 86°F |
| Oakesdale | Heat Zone 3 8 - 14 days > 86°F |
| Oakville | Heat Zone 1 < 1 days > 86°F |
| Ocean City | Heat Zone 1 < 1 days > 86°F |
| Ocean Park | Heat Zone 1 < 1 days > 86°F |
| Ocean Shores | Heat Zone 1 < 1 days > 86°F |
| Odessa | Heat Zone 5 31 - 45 days > 86°F |
| Okanogan | Heat Zone 5 31 - 45 days > 86°F |
| Olalla | Heat Zone 1 < 1 days > 86°F |
| Olga | Heat Zone 1 < 1 days > 86°F |
| Olympia | Heat Zone 1 < 1 days > 86°F |
| Olympic Hot Springs | Heat Zone 1 < 1 days > 86°F |
| Olympic Natl Park | Heat Zone 1 < 1 days > 86°F |
| Omak | Heat Zone 5 31 - 45 days > 86°F |
| Onalaska | Heat Zone 1 < 1 days > 86°F |
| Onion Creek | Heat Zone 5 31 - 45 days > 86°F |
| Opportunity | Heat Zone 3 8 - 14 days > 86°F |
| Orcas | Heat Zone 1 < 1 days > 86°F |
| Orchards | Heat Zone 1 < 1 days > 86°F |
| Orchards North | Heat Zone 1 < 1 days > 86°F |
| Orchards South | Heat Zone 1 < 1 days > 86°F |
| Orient | Heat Zone 5 31 - 45 days > 86°F |
| Orin | Heat Zone 5 31 - 45 days > 86°F |
| Orondo | Heat Zone 4 15 - 30 days > 86°F |
| Oroville | Heat Zone 5 31 - 45 days > 86°F |
| Orting | Heat Zone 1 < 1 days > 86°F |
| Oso | Heat Zone 1 < 1 days > 86°F |
| Othello | Heat Zone 5 31 - 45 days > 86°F |
| Otis Orchards | Heat Zone 3 8 - 14 days > 86°F |
| Otis Orchards-East Farms | Heat Zone 4 15 - 30 days > 86°F |
| Outlook | Heat Zone 6 46 - 60 days > 86°F |
| Oyehut | Heat Zone 1 < 1 days > 86°F |
| Oysterville | Heat Zone 1 < 1 days > 86°F |
| Ozette | Heat Zone 1 < 1 days > 86°F |
| Pacific | Heat Zone 1 < 1 days > 86°F |
| Pacific Beach | Heat Zone 1 < 1 days > 86°F |
| Packwood | Heat Zone 1 < 1 days > 86°F |
| Palisades | Heat Zone 4 15 - 30 days > 86°F |
| Palouse | Heat Zone 2 1 - 7 days > 86°F |
| Paradise Inn | Heat Zone 1 < 1 days > 86°F |
| Parker | Heat Zone 5 31 - 45 days > 86°F |
| Parkland | Heat Zone 1 < 1 days > 86°F |
| Parkwood | Heat Zone 1 < 1 days > 86°F |
| Pasco | Heat Zone 6 46 - 60 days > 86°F |
| Pateros | Heat Zone 5 31 - 45 days > 86°F |
| Paterson | Heat Zone 6 46 - 60 days > 86°F |
| Pe Ell | Heat Zone 1 < 1 days > 86°F |
| Peaceful Valley | Heat Zone 1 < 1 days > 86°F |
| Peshastin | Heat Zone 5 31 - 45 days > 86°F |
| Piedmont | Heat Zone 1 < 1 days > 86°F |
| Pine Lake | Heat Zone 1 < 1 days > 86°F |
| Plain | Heat Zone 1 < 1 days > 86°F |
| Plymouth | Heat Zone 5 31 - 45 days > 86°F |
| Point Roberts | Heat Zone 1 < 1 days > 86°F |
| Pomeroy | Heat Zone 5 31 - 45 days > 86°F |
| Port Angeles | Heat Zone 1 < 1 days > 86°F |
| Port Angeles East | Heat Zone 1 < 1 days > 86°F |
| Port Gamble | Heat Zone 1 < 1 days > 86°F |
| Port Hadlock | Heat Zone 1 < 1 days > 86°F |
| Port Hadlock-Irondale | Heat Zone 1 < 1 days > 86°F |
| Port Ludlow | Heat Zone 1 < 1 days > 86°F |
| Port Orchard | Heat Zone 1 < 1 days > 86°F |
| Port Townsend | Heat Zone 1 < 1 days > 86°F |
| Porter | Heat Zone 1 < 1 days > 86°F |
| Poulsbo | Heat Zone 1 < 1 days > 86°F |
| Prairie Ridge | Heat Zone 1 < 1 days > 86°F |
| Prescott | Heat Zone 5 31 - 45 days > 86°F |
| Preston | Heat Zone 1 < 1 days > 86°F |
| Priest Point | Heat Zone 1 < 1 days > 86°F |
| Prosser | Heat Zone 5 31 - 45 days > 86°F |
| Pullman | Heat Zone 2 1 - 7 days > 86°F |
| Purdy | Heat Zone 1 < 1 days > 86°F |
| Puyallup | Heat Zone 1 < 1 days > 86°F |
| Pysht | Heat Zone 1 < 1 days > 86°F |
| Queets | Heat Zone 1 < 1 days > 86°F |
| Quilcene | Heat Zone 1 < 1 days > 86°F |
| Quillayute | Heat Zone 1 < 1 days > 86°F |
| Quinault | Heat Zone 1 < 1 days > 86°F |
| Quincy | Heat Zone 5 31 - 45 days > 86°F |
| Rainier | Heat Zone 1 < 1 days > 86°F |
| Randle | Heat Zone 1 < 1 days > 86°F |
| Ravensdale | Heat Zone 1 < 1 days > 86°F |
| Raymond | Heat Zone 1 < 1 days > 86°F |
| Reardan | Heat Zone 3 8 - 14 days > 86°F |
| Redmond | Heat Zone 1 < 1 days > 86°F |
| Redondo | Heat Zone 1 < 1 days > 86°F |
| Renton | Heat Zone 1 < 1 days > 86°F |
| Republic | Heat Zone 2 1 - 7 days > 86°F |
| Retsil | Heat Zone 1 < 1 days > 86°F |
| Rice | Heat Zone 4 15 - 30 days > 86°F |
| Richland | Heat Zone 6 46 - 60 days > 86°F |
| Richmond Highlands | Heat Zone 1 < 1 days > 86°F |
| Ridgefield | Heat Zone 2 1 - 7 days > 86°F |
| Ritzville | Heat Zone 5 31 - 45 days > 86°F |
| River Road | Heat Zone 1 < 1 days > 86°F |
| Riverbend | Heat Zone 1 < 1 days > 86°F |
| Riverside | Heat Zone 5 31 - 45 days > 86°F |
| Riverton | Heat Zone 1 < 1 days > 86°F |
| Robe | Heat Zone 1 < 1 days > 86°F |
| Roche Harbor | Heat Zone 1 < 1 days > 86°F |
| Rochester | Heat Zone 1 < 1 days > 86°F |
| Rock Island | Heat Zone 5 31 - 45 days > 86°F |
| Rockford | Heat Zone 3 8 - 14 days > 86°F |
| Rockport | Heat Zone 1 < 1 days > 86°F |
| Rocky Point | Heat Zone 1 < 1 days > 86°F |
| Rollingbay | Heat Zone 1 < 1 days > 86°F |
| Ronald | Heat Zone 2 1 - 7 days > 86°F |
| Roosevelt | Heat Zone 6 46 - 60 days > 86°F |
| Rosalia | Heat Zone 2 1 - 7 days > 86°F |
| Rosburg | Heat Zone 1 < 1 days > 86°F |
| Rosedale | Heat Zone 1 < 1 days > 86°F |
| Roslyn | Heat Zone 1 < 1 days > 86°F |
| Roy | Heat Zone 1 < 1 days > 86°F |
| Royal City | Heat Zone 6 46 - 60 days > 86°F |
| Ruston | Heat Zone 1 < 1 days > 86°F |
| Ryderwood | Heat Zone 1 < 1 days > 86°F |
| Sahalee | Heat Zone 1 < 1 days > 86°F |
| Saint John | Heat Zone 4 15 - 30 days > 86°F |
| Salkum | Heat Zone 1 < 1 days > 86°F |
| Salmon Creek | Heat Zone 1 < 1 days > 86°F |
| Sammamish | Heat Zone 1 < 1 days > 86°F |
| Sappho | Heat Zone 1 < 1 days > 86°F |
| Satsop | Heat Zone 1 < 1 days > 86°F |
| Satus | Heat Zone 5 31 - 45 days > 86°F |
| Seabeck | Heat Zone 1 < 1 days > 86°F |
| Seahurst | Heat Zone 1 < 1 days > 86°F |
| SeaTac | Heat Zone 1 < 1 days > 86°F |
| Seattle | Heat Zone 1 < 1 days > 86°F |
| Seattle/Boeing Field | Heat Zone 1 < 1 days > 86°F |
| Seaview | Heat Zone 1 < 1 days > 86°F |
| Sedro-Woolley | Heat Zone 1 < 1 days > 86°F |
| Seguim | Heat Zone 1 < 1 days > 86°F |
| Sekiu | Heat Zone 1 < 1 days > 86°F |
| Selah | Heat Zone 5 31 - 45 days > 86°F |
| Sequim | Heat Zone 1 < 1 days > 86°F |
| Shaker Church | Heat Zone 1 < 1 days > 86°F |
| Shaw Island | Heat Zone 1 < 1 days > 86°F |
| Shelter Bay | Heat Zone 1 < 1 days > 86°F |
| Shelton | Heat Zone 1 < 1 days > 86°F |
| Sheridan Beach | Heat Zone 1 < 1 days > 86°F |
| Shoreline | Heat Zone 1 < 1 days > 86°F |
| Silvana | Heat Zone 1 < 1 days > 86°F |
| Silver Creek | Heat Zone 1 < 1 days > 86°F |
| Silver Firs | Heat Zone 1 < 1 days > 86°F |
| Silver Lake | Heat Zone 1 < 1 days > 86°F |
| Silverdale | Heat Zone 1 < 1 days > 86°F |
| Sisco Heights | Heat Zone 1 < 1 days > 86°F |
| Skamania | Heat Zone 1 < 1 days > 86°F |
| Skamokawa | Heat Zone 1 < 1 days > 86°F |
| Ski Bluewood | Heat Zone 4 15 - 30 days > 86°F |
| Skokomish | Heat Zone 1 < 1 days > 86°F |
| Skykomish | Heat Zone 1 < 1 days > 86°F |
| Smokey Point | Heat Zone 1 < 1 days > 86°F |
| Snee Oosh | Heat Zone 1 < 1 days > 86°F |
| Snohomish | Heat Zone 1 < 1 days > 86°F |
| Snoqualmie | Heat Zone 1 < 1 days > 86°F |
| Snoqualmie Pass | Heat Zone 1 < 1 days > 86°F |
| Soap Lake | Heat Zone 5 31 - 45 days > 86°F |
| South Bend | Heat Zone 1 < 1 days > 86°F |
| South Broadway | Heat Zone 5 31 - 45 days > 86°F |
| South Cle Elum | Heat Zone 1 < 1 days > 86°F |
| South Colby | Heat Zone 1 < 1 days > 86°F |
| South Hill | Heat Zone 1 < 1 days > 86°F |
| South Prairie | Heat Zone 1 < 1 days > 86°F |
| South Wenatchee | Heat Zone 5 31 - 45 days > 86°F |
| Southworth | Heat Zone 1 < 1 days > 86°F |
| Spanaway | Heat Zone 1 < 1 days > 86°F |
| Spangle | Heat Zone 2 1 - 7 days > 86°F |
| Spokane | Heat Zone 2 1 - 7 days > 86°F |
| Spokane Valley | Heat Zone 3 8 - 14 days > 86°F |
| Spokane/Fairchild AFB | Heat Zone 2 1 - 7 days > 86°F |
| Spokane/Felts Field | Heat Zone 2 1 - 7 days > 86°F |
| Sprague | Heat Zone 3 8 - 14 days > 86°F |
| Springdale | Heat Zone 4 15 - 30 days > 86°F |
| Stampede Pass | Heat Zone 1 < 1 days > 86°F |
| Stanwood | Heat Zone 1 < 1 days > 86°F |
| Starbuck | Heat Zone 5 31 - 45 days > 86°F |
| Startup | Heat Zone 1 < 1 days > 86°F |
| Stehekin | Heat Zone 1 < 1 days > 86°F |
| Steilacoom | Heat Zone 1 < 1 days > 86°F |
| Steptoe | Heat Zone 3 8 - 14 days > 86°F |
| Stevenson | Heat Zone 1 < 1 days > 86°F |
| Stimson Crossing | Heat Zone 1 < 1 days > 86°F |
| Stratford | Heat Zone 5 31 - 45 days > 86°F |
| Sudden Valley | Heat Zone 1 < 1 days > 86°F |
| Sultan | Heat Zone 1 < 1 days > 86°F |
| Sumas | Heat Zone 1 < 1 days > 86°F |
| Summit | Heat Zone 1 < 1 days > 86°F |
| Summitview | Heat Zone 5 31 - 45 days > 86°F |
| Sumner | Heat Zone 1 < 1 days > 86°F |
| Sunnyside | Heat Zone 6 46 - 60 days > 86°F |
| Sunnyslope | Heat Zone 5 31 - 45 days > 86°F |
| Suquamish | Heat Zone 1 < 1 days > 86°F |
| Swede Heaven | Heat Zone 1 < 1 days > 86°F |
| Swinomish Village | Heat Zone 1 < 1 days > 86°F |
| Tacoma | Heat Zone 1 < 1 days > 86°F |
| Tacoma/McChord AFB | Heat Zone 1 < 1 days > 86°F |
| Taholah | Heat Zone 1 < 1 days > 86°F |
| Tahuya | Heat Zone 1 < 1 days > 86°F |
| Tampico | Heat Zone 5 31 - 45 days > 86°F |
| Tanglewilde-Thompson Place | Heat Zone 1 < 1 days > 86°F |
| Tanner | Heat Zone 1 < 1 days > 86°F |
| Tekoa | Heat Zone 2 1 - 7 days > 86°F |
| Tenino | Heat Zone 1 < 1 days > 86°F |
| Terrace Heights | Heat Zone 5 31 - 45 days > 86°F |
| Thornton | Heat Zone 3 8 - 14 days > 86°F |
| Thorp | Heat Zone 2 1 - 7 days > 86°F |
| Three Lakes | Heat Zone 1 < 1 days > 86°F |
| Tieton | Heat Zone 4 15 - 30 days > 86°F |
| Timentwa | Heat Zone 5 31 - 45 days > 86°F |
| Tokeland | Heat Zone 1 < 1 days > 86°F |
| Toledo | Heat Zone 1 < 1 days > 86°F |
| Tonasket | Heat Zone 5 31 - 45 days > 86°F |
| Toppenish | Heat Zone 5 31 - 45 days > 86°F |
| Torboy | Heat Zone 2 1 - 7 days > 86°F |
| Touchet | Heat Zone 6 46 - 60 days > 86°F |
| Toutle | Heat Zone 1 < 1 days > 86°F |
| Town and Country | Heat Zone 2 1 - 7 days > 86°F |
| Tracyton | Heat Zone 1 < 1 days > 86°F |
| Trentwood | Heat Zone 3 8 - 14 days > 86°F |
| Tri-Cities | Heat Zone 6 46 - 60 days > 86°F |
| Trout Lake | Heat Zone 1 < 1 days > 86°F |
| Tukwila | Heat Zone 1 < 1 days > 86°F |
| Tulalip | Heat Zone 1 < 1 days > 86°F |
| Tulalip Bay | Heat Zone 1 < 1 days > 86°F |
| Tumtum | Heat Zone 4 15 - 30 days > 86°F |
| Tumwater | Heat Zone 1 < 1 days > 86°F |
| Twisp | Heat Zone 5 31 - 45 days > 86°F |
| Tyee | Heat Zone 1 < 1 days > 86°F |
| Underwood | Heat Zone 1 < 1 days > 86°F |
| Union | Heat Zone 1 < 1 days > 86°F |
| Union Gap | Heat Zone 5 31 - 45 days > 86°F |
| Union Hill-Novelty Hill | Heat Zone 1 < 1 days > 86°F |
| Uniontown | Heat Zone 4 15 - 30 days > 86°F |
| University Place | Heat Zone 1 < 1 days > 86°F |
| Usk | Heat Zone 4 15 - 30 days > 86°F |
| Vader | Heat Zone 1 < 1 days > 86°F |
| Valley | Heat Zone 5 31 - 45 days > 86°F |
| Valleyford | Heat Zone 2 1 - 7 days > 86°F |
| Van Zandt | Heat Zone 1 < 1 days > 86°F |
| Vancouver | Heat Zone 1 < 1 days > 86°F |
| Vantage | Heat Zone 6 46 - 60 days > 86°F |
| Vashon | Heat Zone 1 < 1 days > 86°F |
| Vaughn | Heat Zone 1 < 1 days > 86°F |
| Venersborg | Heat Zone 1 < 1 days > 86°F |
| Veradale | Heat Zone 3 8 - 14 days > 86°F |
| Verlot | Heat Zone 1 < 1 days > 86°F |
| Wahkiacus | Heat Zone 4 15 - 30 days > 86°F |
| Waitsburg | Heat Zone 5 31 - 45 days > 86°F |
| Waldron | Heat Zone 1 < 1 days > 86°F |
| Walla Walla | Heat Zone 5 31 - 45 days > 86°F |
| Walla Walla East | Heat Zone 5 31 - 45 days > 86°F |
| Waller | Heat Zone 1 < 1 days > 86°F |
| Wallula | Heat Zone 6 46 - 60 days > 86°F |
| Walnut Grove | Heat Zone 1 < 1 days > 86°F |
| Wapato | Heat Zone 6 46 - 60 days > 86°F |
| Warden | Heat Zone 5 31 - 45 days > 86°F |
| Warm Beach | Heat Zone 1 < 1 days > 86°F |
| Washougal | Heat Zone 1 < 1 days > 86°F |
| Washtucna | Heat Zone 6 46 - 60 days > 86°F |
| Waterville | Heat Zone 1 < 1 days > 86°F |
| Wauconda | Heat Zone 3 8 - 14 days > 86°F |
| Wauna | Heat Zone 1 < 1 days > 86°F |
| Waverly | Heat Zone 2 1 - 7 days > 86°F |
| Weallup Lake | Heat Zone 1 < 1 days > 86°F |
| Wellpinit | Heat Zone 4 15 - 30 days > 86°F |
| Wenatchee | Heat Zone 5 31 - 45 days > 86°F |
| Wesport | Heat Zone 1 < 1 days > 86°F |
| West Clarkston-Highland | Heat Zone 5 31 - 45 days > 86°F |
| West Lake Sammamish | Heat Zone 1 < 1 days > 86°F |
| West Lake Stevens | Heat Zone 1 < 1 days > 86°F |
| West Longview | Heat Zone 1 < 1 days > 86°F |
| West Pasco | Heat Zone 6 46 - 60 days > 86°F |
| West Richland | Heat Zone 6 46 - 60 days > 86°F |
| West Side Highway | Heat Zone 1 < 1 days > 86°F |
| West Sound | Heat Zone 1 < 1 days > 86°F |
| West Valley | Heat Zone 5 31 - 45 days > 86°F |
| West Wenatchee | Heat Zone 5 31 - 45 days > 86°F |
| Westport | Heat Zone 1 < 1 days > 86°F |
| Whidbey Island | Heat Zone 1 < 1 days > 86°F |
| White Center | Heat Zone 1 < 1 days > 86°F |
| White Salmon | Heat Zone 1 < 1 days > 86°F |
| White Swan | Heat Zone 5 31 - 45 days > 86°F |
| Wilbur | Heat Zone 4 15 - 30 days > 86°F |
| Wilkeson | Heat Zone 1 < 1 days > 86°F |
| Willapa | Heat Zone 1 < 1 days > 86°F |
| Wilson Creek | Heat Zone 5 31 - 45 days > 86°F |
| Winlock | Heat Zone 1 < 1 days > 86°F |
| Winslow | Heat Zone 1 < 1 days > 86°F |
| Winthrop | Heat Zone 5 31 - 45 days > 86°F |
| Wishram | Heat Zone 5 31 - 45 days > 86°F |
| Wollochet | Heat Zone 1 < 1 days > 86°F |
| Woodinville | Heat Zone 1 < 1 days > 86°F |
| Woodland | Heat Zone 2 1 - 7 days > 86°F |
| Woodmont Beach | Heat Zone 1 < 1 days > 86°F |
| Woods Creek | Heat Zone 1 < 1 days > 86°F |
| Woodway | Heat Zone 1 < 1 days > 86°F |
| Yacolt | Heat Zone 1 < 1 days > 86°F |
| Yakima | Heat Zone 5 31 - 45 days > 86°F |
| Yarrow Point | Heat Zone 1 < 1 days > 86°F |
| Yelm | Heat Zone 1 < 1 days > 86°F |
| Zillah | Heat Zone 5 31 - 45 days > 86°F |