Washington 2012 USDA Hardiness Zone Map
View the new 2023 Washington Hardiness Zone Map
| Zone 4a -30°F to -25°F | Zone 4b -25°F to -20°F | Zone 5a -20°F to -15°F | Zone 5b -15°F to -10°F | Zone 6a -10°F to -5°F | Zone 6b -5°F to 0°F |
| Zone 7a 0°F to 5°F | Zone 7b 5°F to 10°F | Zone 8a 10°F to 15°F | Zone 8b 15°F to 20°F | Zone 9a 20°F to 25°F |
Based on the 2012 USDA Hardiness Zone Map, this interactive version covers the state of Washington which ranges from USDA Zone 4a to USDA Zone 9a.
2012 USDA Hardiness Zone Maps for Neighboring States and Provinces
Related Washington Maps:
List of 2012 Hardiness Zones for Cities in Washington
| Location | Hardiness Zone |
|---|---|
| Aberdeen | Zone 9a: 20°F to 25°F |
| Aberdeen Gardens | Zone 8b: 15°F to 20°F |
| Acme | Zone 8a: 10°F to 15°F |
| Addy | Zone 6a: -10°F to -5°F |
| Adna | Zone 8b: 15°F to 20°F |
| Agnew | Zone 8b: 15°F to 20°F |
| Ahtanum | Zone 6b: -5°F to 0°F |
| Airway Heights | Zone 6a: -10°F to -5°F |
| Albion | Zone 6b: -5°F to 0°F |
| Alder | Zone 8a: 10°F to 15°F |
| Alderton | Zone 8b: 15°F to 20°F |
| Alderwood Manor | Zone 8b: 15°F to 20°F |
| Alger | Zone 8a: 10°F to 15°F |
| Algona | Zone 8b: 15°F to 20°F |
| Allyn | Zone 8b: 15°F to 20°F |
| Almira | Zone 6b: -5°F to 0°F |
| Altoona | Zone 8b: 15°F to 20°F |
| Amanda Park | Zone 8b: 15°F to 20°F |
| Amboy | Zone 8b: 15°F to 20°F |
| Ames Lake | Zone 8b: 15°F to 20°F |
| Anacortes | Zone 8b: 15°F to 20°F |
| Anatone | Zone 6b: -5°F to 0°F |
| Anderson Island | Zone 8b: 15°F to 20°F |
| Appleton | Zone 6b: -5°F to 0°F |
| Ardenvoir | Zone 6b: -5°F to 0°F |
| Ariel | Zone 8a: 10°F to 15°F |
| Arlington | Zone 8b: 15°F to 20°F |
| Arlington Heights | Zone 8b: 15°F to 20°F |
| Artondale | Zone 8b: 15°F to 20°F |
| Ashford | Zone 8a: 10°F to 15°F |
| Asotin | Zone 7b: 5°F to 10°F |
| Auburn | Zone 8b: 15°F to 20°F |
| Ault Field | Zone 8b: 15°F to 20°F |
| Bainbridge Island | Zone 8b: 15°F to 20°F |
| Bangor Trident Base | Zone 8b: 15°F to 20°F |
| Banks Lake South | Zone 6b: -5°F to 0°F |
| Barberton | Zone 8b: 15°F to 20°F |
| Baring | Zone 8a: 10°F to 15°F |
| Barstow | Zone 6a: -10°F to -5°F |
| Basin City | Zone 7a: 0°F to 5°F |
| Battle Ground | Zone 8a: 10°F to 15°F |
| Bay Center | Zone 8b: 15°F to 20°F |
| Bay View | Zone 8b: 15°F to 20°F |
| Beaux Arts Village | Zone 8b: 15°F to 20°F |
| Beaver | Zone 8b: 15°F to 20°F |
| Belfair | Zone 8b: 15°F to 20°F |
| Bell Hill | Zone 8a: 10°F to 15°F |
| Bellevue | Zone 8b: 15°F to 20°F |
| Bellingham | Zone 8a: 10°F to 15°F |
| Belmont | Zone 6b: -5°F to 0°F |
| Benge | Zone 6b: -5°F to 0°F |
| Benton City | Zone 7a: 0°F to 5°F |
| Bethel | Zone 8b: 15°F to 20°F |
| Beverly | Zone 7a: 0°F to 5°F |
| Bickleton | Zone 7a: 0°F to 5°F |
| Big Lake | Zone 8b: 15°F to 20°F |
| Bingen | Zone 7b: 5°F to 10°F |
| Birch Bay | Zone 8a: 10°F to 15°F |
| Black Diamond | Zone 8b: 15°F to 20°F |
| Blaine | Zone 8a: 10°F to 15°F |
| Blakely Island | Zone 8b: 15°F to 20°F |
| Blueslide | Zone 6a: -10°F to -5°F |
| Blyn | Zone 8b: 15°F to 20°F |
| Bonney Lake | Zone 8b: 15°F to 20°F |
| Bothell | Zone 8b: 15°F to 20°F |
| Boulevard Park | Zone 8b: 15°F to 20°F |
| Boundary | Zone 6a: -10°F to -5°F |
| Bow | Zone 8b: 15°F to 20°F |
| Boyds | Zone 6b: -5°F to 0°F |
| Brady | Zone 8b: 15°F to 20°F |
| Bremerton | Zone 8b: 15°F to 20°F |
| Bremerton | Zone 8b: 15°F to 20°F |
| Brewster | Zone 6b: -5°F to 0°F |
| Bridgeport | Zone 6b: -5°F to 0°F |
| Brier | Zone 8b: 15°F to 20°F |
| Brinnon | Zone 8b: 15°F to 20°F |
| Brownstown | Zone 6b: -5°F to 0°F |
| Brush Prairie | Zone 8b: 15°F to 20°F |
| Bryant | Zone 8b: 15°F to 20°F |
| Bryn Mawr-Skyway | Zone 8b: 15°F to 20°F |
| Buckley | Zone 8b: 15°F to 20°F |
| Bucoda | Zone 8a: 10°F to 15°F |
| Buena | Zone 7a: 0°F to 5°F |
| Burbank | Zone 7a: 0°F to 5°F |
| Burien | Zone 8b: 15°F to 20°F |
| Burley | Zone 8b: 15°F to 20°F |
| Burlington | Zone 8b: 15°F to 20°F |
| Burton | Zone 8b: 15°F to 20°F |
| Camano | Zone 8b: 15°F to 20°F |
| Camano Island | Zone 8b: 15°F to 20°F |
| Camas | Zone 8b: 15°F to 20°F |
| Camp Murray | Zone 8b: 15°F to 20°F |
| Canterwood | Zone 8b: 15°F to 20°F |
| Carbonado | Zone 8a: 10°F to 15°F |
| Carlsborg | Zone 8b: 15°F to 20°F |
| Carlton | Zone 6a: -10°F to -5°F |
| Carnation | Zone 8b: 15°F to 20°F |
| Carrolls | Zone 8b: 15°F to 20°F |
| Carson | Zone 8a: 10°F to 15°F |
| Carson River Valley | Zone 8a: 10°F to 15°F |
| Cascade Park East | Zone 8b: 15°F to 20°F |
| Cascade Park West | Zone 8b: 15°F to 20°F |
| Cascade Valley | Zone 6b: -5°F to 0°F |
| Cascade-Fairwood | Zone 8b: 15°F to 20°F |
| Cashmere | Zone 7a: 0°F to 5°F |
| Castle Rock | Zone 8b: 15°F to 20°F |
| Cathan | Zone 8b: 15°F to 20°F |
| Cathcart | Zone 8b: 15°F to 20°F |
| Cathlamet | Zone 8b: 15°F to 20°F |
| Cedonia | Zone 6a: -10°F to -5°F |
| Centerville | Zone 7a: 0°F to 5°F |
| Central Park | Zone 8b: 15°F to 20°F |
| Centralia | Zone 8b: 15°F to 20°F |
| Chattaroy | Zone 6a: -10°F to -5°F |
| Chehalis | Zone 8b: 15°F to 20°F |
| Chehalis Village | Zone 8a: 10°F to 15°F |
| Chehalis/Centralia | Zone 8b: 15°F to 20°F |
| Chelan | Zone 7a: 0°F to 5°F |
| Chelan Falls | Zone 7a: 0°F to 5°F |
| Cheney | Zone 6a: -10°F to -5°F |
| Cherry Grove | Zone 8b: 15°F to 20°F |
| Chesaw | Zone 5b: -15°F to -10°F |
| Chewelah | Zone 6a: -10°F to -5°F |
| Chico | Zone 8b: 15°F to 20°F |
| Chimacum | Zone 8b: 15°F to 20°F |
| Chinook | Zone 8b: 15°F to 20°F |
| Cinebar | Zone 8a: 10°F to 15°F |
| Clallam Bay | Zone 8b: 15°F to 20°F |
| Clarkston | Zone 7b: 5°F to 10°F |
| Clarkston Heights-Vineland | Zone 7a: 0°F to 5°F |
| Clayton | Zone 6a: -10°F to -5°F |
| Cle Elum | Zone 6b: -5°F to 0°F |
| Clear Lake | Zone 8b: 15°F to 20°F |
| Clearview | Zone 8b: 15°F to 20°F |
| Clearwater | Zone 8b: 15°F to 20°F |
| Cliffdell | Zone 6a: -10°F to -5°F |
| Clinton | Zone 8b: 15°F to 20°F |
| Clipper | Zone 8a: 10°F to 15°F |
| Clyde Hill | Zone 8b: 15°F to 20°F |
| Cohassett Beach | Zone 9a: 20°F to 25°F |
| Colbert | Zone 6b: -5°F to 0°F |
| Colfax | Zone 6b: -5°F to 0°F |
| College Place | Zone 7a: 0°F to 5°F |
| Colton | Zone 6b: -5°F to 0°F |
| Colville | Zone 6a: -10°F to -5°F |
| Colville Agency | Zone 6a: -10°F to -5°F |
| Conconully | Zone 6a: -10°F to -5°F |
| Concrete | Zone 8b: 15°F to 20°F |
| Connell | Zone 7a: 0°F to 5°F |
| Conway | Zone 8b: 15°F to 20°F |
| Copalis Beach | Zone 8b: 15°F to 20°F |
| Copalis Beach | Zone 8b: 15°F to 20°F |
| Copalis Crossing | Zone 8b: 15°F to 20°F |
| Cosmopolis | Zone 9a: 20°F to 25°F |
| Cottage Lake | Zone 8b: 15°F to 20°F |
| Cougar | Zone 8b: 15°F to 20°F |
| Coulee City | Zone 6b: -5°F to 0°F |
| Coulee Dam | Zone 6b: -5°F to 0°F |
| Country Homes | Zone 6b: -5°F to 0°F |
| Coupeville | Zone 8b: 15°F to 20°F |
| Covington | Zone 8b: 15°F to 20°F |
| Cowiche | Zone 6b: -5°F to 0°F |
| Creston | Zone 6b: -5°F to 0°F |
| Cunningham | Zone 6b: -5°F to 0°F |
| Curlew | Zone 6a: -10°F to -5°F |
| Curtis | Zone 8a: 10°F to 15°F |
| Cusick | Zone 6a: -10°F to -5°F |
| Custer | Zone 8a: 10°F to 15°F |
| Dalkena | Zone 6a: -10°F to -5°F |
| Dallesport | Zone 7b: 5°F to 10°F |
| Danville | Zone 5b: -15°F to -10°F |
| Darrington | Zone 8a: 10°F to 15°F |
| Dash Point | Zone 8b: 15°F to 20°F |
| Davenport | Zone 6a: -10°F to -5°F |
| Dayton | Zone 7a: 0°F to 5°F |
| Deep River | Zone 8b: 15°F to 20°F |
| Deer Harbor | Zone 8b: 15°F to 20°F |
| Deer Harbor | Zone 8b: 15°F to 20°F |
| Deer Park | Zone 6a: -10°F to -5°F |
| Deming | Zone 8a: 10°F to 15°F |
| Des Moines | Zone 8b: 15°F to 20°F |
| Desert Aire | Zone 7a: 0°F to 5°F |
| Disautel | Zone 5b: -15°F to -10°F |
| Dishman | Zone 6b: -5°F to 0°F |
| Dixie | Zone 7a: 0°F to 5°F |
| Doebay | Zone 8b: 15°F to 20°F |
| Dollar Corner | Zone 8b: 15°F to 20°F |
| Donald | Zone 6b: -5°F to 0°F |
| Doty | Zone 8a: 10°F to 15°F |
| Dryden | Zone 6b: -5°F to 0°F |
| Dulwich | Zone 6a: -10°F to -5°F |
| Dungeness | Zone 8b: 15°F to 20°F |
| Dupont | Zone 8b: 15°F to 20°F |
| Duvall | Zone 8b: 15°F to 20°F |
| East Cathlamet | Zone 8b: 15°F to 20°F |
| East Hill-Meridian | Zone 8b: 15°F to 20°F |
| East Olympia | Zone 8a: 10°F to 15°F |
| East Port Orchard | Zone 8b: 15°F to 20°F |
| East Renton Highlands | Zone 8b: 15°F to 20°F |
| East Wenatchee | Zone 7a: 0°F to 5°F |
| East Wenatchee Bench | Zone 7a: 0°F to 5°F |
| Eastgate | Zone 8b: 15°F to 20°F |
| Easton | Zone 6b: -5°F to 0°F |
| Eastsound | Zone 8b: 15°F to 20°F |
| Eatonville | Zone 8a: 10°F to 15°F |
| Echo Lake | Zone 8b: 15°F to 20°F |
| Edgewood | Zone 8b: 15°F to 20°F |
| Edison | Zone 8b: 15°F to 20°F |
| Edmonds | Zone 8b: 15°F to 20°F |
| Edwall | Zone 6a: -10°F to -5°F |
| Elbe | Zone 8a: 10°F to 15°F |
| Electric City | Zone 6b: -5°F to 0°F |
| Elk | Zone 6a: -10°F to -5°F |
| Elk Plain | Zone 8b: 15°F to 20°F |
| Ellensburg | Zone 6b: -5°F to 0°F |
| Ellisforde | Zone 6b: -5°F to 0°F |
| Ellsworth North | Zone 8b: 15°F to 20°F |
| Ellsworth South | Zone 8b: 15°F to 20°F |
| Elma | Zone 8b: 15°F to 20°F |
| Elmer City | Zone 6b: -5°F to 0°F |
| Eltopia | Zone 7a: 0°F to 5°F |
| Endicott | Zone 6b: -5°F to 0°F |
| Enetai | Zone 8b: 15°F to 20°F |
| Entiat | Zone 7a: 0°F to 5°F |
| Enumclaw | Zone 8b: 15°F to 20°F |
| Ephrata | Zone 6b: -5°F to 0°F |
| Erlands Point-Kitsap Lake | Zone 8b: 15°F to 20°F |
| Eschbach | Zone 6b: -5°F to 0°F |
| Esperance | Zone 8b: 15°F to 20°F |
| Ethel | Zone 8a: 10°F to 15°F |
| Evans | Zone 6b: -5°F to 0°F |
| Everett | Zone 8b: 15°F to 20°F |
| Evergreen | Zone 8b: 15°F to 20°F |
| Everson | Zone 8a: 10°F to 15°F |
| Fairchild AFB | Zone 6a: -10°F to -5°F |
| Fairfield | Zone 6b: -5°F to 0°F |
| Fairholm | Zone 8b: 15°F to 20°F |
| Fairwood | Zone 6b: -5°F to 0°F |
| Fall City | Zone 8b: 15°F to 20°F |
| Farmington | Zone 6a: -10°F to -5°F |
| Federal Way | Zone 8b: 15°F to 20°F |
| Felida | Zone 8b: 15°F to 20°F |
| Fern Prairie | Zone 8b: 15°F to 20°F |
| Ferndale | Zone 8a: 10°F to 15°F |
| Fife | Zone 8b: 15°F to 20°F |
| Fife Heights | Zone 8b: 15°F to 20°F |
| Finley | Zone 7a: 0°F to 5°F |
| Fircrest | Zone 8b: 15°F to 20°F |
| Five Corners | Zone 8b: 15°F to 20°F |
| Fobes Hill | Zone 8b: 15°F to 20°F |
| Ford | Zone 6a: -10°F to -5°F |
| Fords Prairie | Zone 8b: 15°F to 20°F |
| Forks | Zone 8b: 15°F to 20°F |
| Forston | Zone 8a: 10°F to 15°F |
| Fort Flagler | Zone 8b: 15°F to 20°F |
| Fort Flagler | Zone 8b: 15°F to 20°F |
| Fort Lewis | Zone 8b: 15°F to 20°F |
| Four Lakes | Zone 6a: -10°F to -5°F |
| Fox Island | Zone 8b: 15°F to 20°F |
| Frederickson | Zone 8b: 15°F to 20°F |
| Freeland | Zone 8b: 15°F to 20°F |
| Freeman | Zone 6b: -5°F to 0°F |
| Friday Harbor | Zone 9a: 20°F to 25°F |
| Fruitland | Zone 6b: -5°F to 0°F |
| Fruitvale | Zone 6b: -5°F to 0°F |
| Furport | Zone 6a: -10°F to -5°F |
| Galvin | Zone 8b: 15°F to 20°F |
| Garfield | Zone 6b: -5°F to 0°F |
| Garrett | Zone 7a: 0°F to 5°F |
| Geneva | Zone 8a: 10°F to 15°F |
| George | Zone 6b: -5°F to 0°F |
| Getchell | Zone 8b: 15°F to 20°F |
| Gifford | Zone 6b: -5°F to 0°F |
| Gig Harbor | Zone 8b: 15°F to 20°F |
| Glacier | Zone 7b: 5°F to 10°F |
| Gleed | Zone 6b: -5°F to 0°F |
| Glenoma | Zone 8a: 10°F to 15°F |
| Glenwood | Zone 6b: -5°F to 0°F |
| Gold Bar | Zone 8b: 15°F to 20°F |
| Goldendale | Zone 6b: -5°F to 0°F |
| Goose Prairie | Zone 6a: -10°F to -5°F |
| Gorst | Zone 8b: 15°F to 20°F |
| Graham | Zone 8a: 10°F to 15°F |
| Grand Coulee | Zone 7a: 0°F to 5°F |
| Grand Mound | Zone 8b: 15°F to 20°F |
| Grandview | Zone 7a: 0°F to 5°F |
| Granger | Zone 7a: 0°F to 5°F |
| Granite Falls | Zone 8b: 15°F to 20°F |
| Grapeview | Zone 8b: 15°F to 20°F |
| Grayland | Zone 9a: 20°F to 25°F |
| Grays River | Zone 8b: 15°F to 20°F |
| Green Acres | Zone 6b: -5°F to 0°F |
| Green Bluff | Zone 6a: -10°F to -5°F |
| Greenacres | Zone 6b: -5°F to 0°F |
| Greenbank | Zone 8b: 15°F to 20°F |
| Greenwater | Zone 7b: 5°F to 10°F |
| Hamilton | Zone 8a: 10°F to 15°F |
| Hansville | Zone 8b: 15°F to 20°F |
| Harbour Pointe | Zone 8b: 15°F to 20°F |
| Harrah | Zone 6b: -5°F to 0°F |
| Harrington | Zone 6a: -10°F to -5°F |
| Hartline | Zone 6b: -5°F to 0°F |
| Hatton | Zone 6b: -5°F to 0°F |
| Hay | Zone 7a: 0°F to 5°F |
| Hazel Dell | Zone 8b: 15°F to 20°F |
| Hazel Dell North | Zone 8b: 15°F to 20°F |
| Hazel Dell South | Zone 8b: 15°F to 20°F |
| Heisson | Zone 8a: 10°F to 15°F |
| Highland | Zone 7a: 0°F to 5°F |
| Hobart | Zone 8b: 15°F to 20°F |
| Hockinson | Zone 8b: 15°F to 20°F |
| Home | Zone 8b: 15°F to 20°F |
| Hoodsport | Zone 8b: 15°F to 20°F |
| Hooper | Zone 7a: 0°F to 5°F |
| Hoquiam | Zone 9a: 20°F to 25°F |
| Humptulips | Zone 8b: 15°F to 20°F |
| Hunters | Zone 6b: -5°F to 0°F |
| Hunts Point | Zone 8b: 15°F to 20°F |
| Husum | Zone 7b: 5°F to 10°F |
| Ilwaco | Zone 8b: 15°F to 20°F |
| Inchelium | Zone 6a: -10°F to -5°F |
| Index | Zone 8a: 10°F to 15°F |
| Indianola | Zone 8b: 15°F to 20°F |
| Inglewood-Finn Hill | Zone 8b: 15°F to 20°F |
| Ione | Zone 6a: -10°F to -5°F |
| Issaquah | Zone 8b: 15°F to 20°F |
| Jamestown | Zone 8b: 15°F to 20°F |
| Jared | Zone 6a: -10°F to -5°F |
| John Sam Lake | Zone 8b: 15°F to 20°F |
| Joyce | Zone 8b: 15°F to 20°F |
| Junction City | Zone 8b: 15°F to 20°F |
| Kahlotus | Zone 7a: 0°F to 5°F |
| Kalaloch | Zone 8b: 15°F to 20°F |
| Kalama | Zone 8b: 15°F to 20°F |
| Kapowsin | Zone 8b: 15°F to 20°F |
| Keller | Zone 6b: -5°F to 0°F |
| Kelso | Zone 8b: 15°F to 20°F |
| Kendall | Zone 8a: 10°F to 15°F |
| Kenmore | Zone 8b: 15°F to 20°F |
| Kennewick | Zone 7b: 5°F to 10°F |
| Kent | Zone 8b: 15°F to 20°F |
| Ketron | Zone 8b: 15°F to 20°F |
| Kettle Falls | Zone 6a: -10°F to -5°F |
| Key Center | Zone 8b: 15°F to 20°F |
| Keyport | Zone 8b: 15°F to 20°F |
| Kingsgate | Zone 8b: 15°F to 20°F |
| Kingston | Zone 8b: 15°F to 20°F |
| Kirkland | Zone 8b: 15°F to 20°F |
| Kittitas | Zone 6b: -5°F to 0°F |
| Klahanie | Zone 8b: 15°F to 20°F |
| Klickitat | Zone 7b: 5°F to 10°F |
| Krupp | Zone 6b: -5°F to 0°F |
| La Center | Zone 8b: 15°F to 20°F |
| La Conner | Zone 8b: 15°F to 20°F |
| La Crosse | Zone 6b: -5°F to 0°F |
| La Grande | Zone 8a: 10°F to 15°F |
| La Push | Zone 8b: 15°F to 20°F |
| La Push | Zone 8b: 15°F to 20°F |
| Lacey | Zone 8a: 10°F to 15°F |
| Lafleur | Zone 6b: -5°F to 0°F |
| Lake Bosworth | Zone 8b: 15°F to 20°F |
| Lake Cavanaugh | Zone 8b: 15°F to 20°F |
| Lake Forest North | Zone 8b: 15°F to 20°F |
| Lake Forest Park | Zone 8b: 15°F to 20°F |
| Lake Goodwin | Zone 8b: 15°F to 20°F |
| Lake Ketchum | Zone 8a: 10°F to 15°F |
| Lake Marcel-Stillwater | Zone 8b: 15°F to 20°F |
| Lake McMurray | Zone 8a: 10°F to 15°F |
| Lake Morton-Berrydale | Zone 8b: 15°F to 20°F |
| Lake Roesiger | Zone 8b: 15°F to 20°F |
| Lake Shore | Zone 8b: 15°F to 20°F |
| Lake Stevens | Zone 8b: 15°F to 20°F |
| Lakebay | Zone 8b: 15°F to 20°F |
| Lakeland North | Zone 8b: 15°F to 20°F |
| Lakeland South | Zone 8b: 15°F to 20°F |
| Lakeview | Zone 6b: -5°F to 0°F |
| Lakewood | Zone 8b: 15°F to 20°F |
| Lamona | Zone 6b: -5°F to 0°F |
| Lamont | Zone 6b: -5°F to 0°F |
| Langley | Zone 8b: 15°F to 20°F |
| Latah | Zone 6b: -5°F to 0°F |
| Laurier | Zone 6a: -10°F to -5°F |
| Lea Hill | Zone 8b: 15°F to 20°F |
| Leadpoint | Zone 6a: -10°F to -5°F |
| Leavenworth | Zone 6b: -5°F to 0°F |
| Lebam | Zone 8b: 15°F to 20°F |
| Lewisville | Zone 8a: 10°F to 15°F |
| Liberty Lake | Zone 6b: -5°F to 0°F |
| Lilliwaup | Zone 8b: 15°F to 20°F |
| Lincoln | Zone 6b: -5°F to 0°F |
| Lind | Zone 6b: -5°F to 0°F |
| Littlerock | Zone 8a: 10°F to 15°F |
| Lochsloy | Zone 8b: 15°F to 20°F |
| Lofall | Zone 8b: 15°F to 20°F |
| Long Beach | Zone 8b: 15°F to 20°F |
| Longbranch | Zone 8b: 15°F to 20°F |
| Longmire | Zone 7b: 5°F to 10°F |
| Longview | Zone 8b: 15°F to 20°F |
| Longview Heights | Zone 8a: 10°F to 15°F |
| Loomis | Zone 6b: -5°F to 0°F |
| Loon Lake | Zone 6a: -10°F to -5°F |
| Lopez Island | Zone 8b: 15°F to 20°F |
| Lummi Island | Zone 8b: 15°F to 20°F |
| Lummi Island | Zone 8b: 15°F to 20°F |
| Lyle | Zone 7b: 5°F to 10°F |
| Lyman | Zone 8a: 10°F to 15°F |
| Lynden | Zone 8a: 10°F to 15°F |
| Lynnwood | Zone 8b: 15°F to 20°F |
| Mabana | Zone 8b: 15°F to 20°F |
| Mabton | Zone 7a: 0°F to 5°F |
| Machias | Zone 8b: 15°F to 20°F |
| Malaga | Zone 7a: 0°F to 5°F |
| Malden | Zone 6b: -5°F to 0°F |
| Malo | Zone 5b: -15°F to -10°F |
| Malone | Zone 8b: 15°F to 20°F |
| Malott | Zone 6b: -5°F to 0°F |
| Maltby | Zone 8b: 15°F to 20°F |
| Manchester | Zone 8b: 15°F to 20°F |
| Mansfield | Zone 6b: -5°F to 0°F |
| Manson | Zone 6b: -5°F to 0°F |
| Maple Falls | Zone 8a: 10°F to 15°F |
| Maple Heights-Lake Desire | Zone 8b: 15°F to 20°F |
| Maple Valley | Zone 8b: 15°F to 20°F |
| Marblemount | Zone 8a: 10°F to 15°F |
| Marcus | Zone 6b: -5°F to 0°F |
| Marietta | Zone 8a: 10°F to 15°F |
| Marietta-Alderwood | Zone 8a: 10°F to 15°F |
| Markham | Zone 9a: 20°F to 25°F |
| Marlin | Zone 6b: -5°F to 0°F |
| Marrowstone | Zone 8b: 15°F to 20°F |
| Marshall | Zone 6b: -5°F to 0°F |
| Martha Lake | Zone 8b: 15°F to 20°F |
| Maryhill | Zone 7b: 5°F to 10°F |
| Marysville | Zone 8b: 15°F to 20°F |
| Matlock | Zone 8b: 15°F to 20°F |
| Mattawa | Zone 7a: 0°F to 5°F |
| May Creek | Zone 8b: 15°F to 20°F |
| Mazama | Zone 5b: -15°F to -10°F |
| McChord Air Force Base | Zone 8b: 15°F to 20°F |
| McCleary | Zone 8a: 10°F to 15°F |
| McKenna | Zone 8b: 15°F to 20°F |
| McMillin | Zone 8b: 15°F to 20°F |
| Mead | Zone 6b: -5°F to 0°F |
| Meadow Glade | Zone 8a: 10°F to 15°F |
| Meadowdale | Zone 8b: 15°F to 20°F |
| Medical Lake | Zone 6b: -5°F to 0°F |
| Medina | Zone 8b: 15°F to 20°F |
| Megler | Zone 8b: 15°F to 20°F |
| Menlo | Zone 8b: 15°F to 20°F |
| Mercer Island | Zone 8b: 15°F to 20°F |
| Mesa | Zone 7a: 0°F to 5°F |
| Metaline | Zone 6a: -10°F to -5°F |
| Metaline Falls | Zone 6a: -10°F to -5°F |
| Methow | Zone 6a: -10°F to -5°F |
| Mica | Zone 6b: -5°F to 0°F |
| Midland | Zone 8b: 15°F to 20°F |
| Mill Creek | Zone 8b: 15°F to 20°F |
| Mill Plain | Zone 8b: 15°F to 20°F |
| Millwood | Zone 6b: -5°F to 0°F |
| Milton | Zone 8b: 15°F to 20°F |
| Mineral | Zone 8a: 10°F to 15°F |
| Minnehaha | Zone 8b: 15°F to 20°F |
| Mirrormont | Zone 8b: 15°F to 20°F |
| Moclips | Zone 8b: 15°F to 20°F |
| Moclips | Zone 8b: 15°F to 20°F |
| Mohler | Zone 6a: -10°F to -5°F |
| Monitor | Zone 7a: 0°F to 5°F |
| Monroe | Zone 8b: 15°F to 20°F |
| Monse | Zone 6b: -5°F to 0°F |
| Monte Cristo | Zone 7a: 0°F to 5°F |
| Montesano | Zone 8b: 15°F to 20°F |
| Morton | Zone 8a: 10°F to 15°F |
| Moses Lake | Zone 6b: -5°F to 0°F |
| Moses Lake North | Zone 6b: -5°F to 0°F |
| Mossyrock | Zone 8a: 10°F to 15°F |
| Mount Rainier Natl Park | Zone 6a: -10°F to -5°F |
| Mount Vernon | Zone 8a: 10°F to 15°F |
| Mount Vista | Zone 8b: 15°F to 20°F |
| Mountlake Terrace | Zone 8b: 15°F to 20°F |
| Moxee | Zone 6b: -5°F to 0°F |
| Mukilteo | Zone 8b: 15°F to 20°F |
| Naches | Zone 6b: -5°F to 0°F |
| Nahcotta | Zone 8b: 15°F to 20°F |
| Napavine | Zone 8a: 10°F to 15°F |
| Naselle | Zone 8b: 15°F to 20°F |
| Navy Yard City | Zone 8b: 15°F to 20°F |
| Neah Bay | Zone 9a: 20°F to 25°F |
| Neilton | Zone 8b: 15°F to 20°F |
| Nespelem | Zone 6a: -10°F to -5°F |
| Nespelem Community | Zone 6a: -10°F to -5°F |
| Newcastle | Zone 8b: 15°F to 20°F |
| Newman Lake | Zone 6b: -5°F to 0°F |
| Newport | Zone 6a: -10°F to -5°F |
| Newport Hills | Zone 8b: 15°F to 20°F |
| Nighthawk | Zone 6b: -5°F to 0°F |
| Nile | Zone 6a: -10°F to -5°F |
| Nine Mile Falls | Zone 6b: -5°F to 0°F |
| Nisqually Indian Community | Zone 8b: 15°F to 20°F |
| Nooksack | Zone 8a: 10°F to 15°F |
| Nordland | Zone 8b: 15°F to 20°F |
| Normandy Park | Zone 8b: 15°F to 20°F |
| North Bend | Zone 8b: 15°F to 20°F |
| North Bonneville | Zone 8b: 15°F to 20°F |
| North Cascades Natl Park | Zone 5b: -15°F to -10°F |
| North Creek | Zone 8b: 15°F to 20°F |
| North Hill | Zone 8b: 15°F to 20°F |
| North Lakewood | Zone 8b: 15°F to 20°F |
| North Marysville | Zone 8b: 15°F to 20°F |
| North Omak | Zone 6b: -5°F to 0°F |
| North Puyallup | Zone 8b: 15°F to 20°F |
| North Stanwood | Zone 8b: 15°F to 20°F |
| North Sultan | Zone 8b: 15°F to 20°F |
| North Yelm | Zone 8b: 15°F to 20°F |
| Northport | Zone 6b: -5°F to 0°F |
| Oak Harbor | Zone 8b: 15°F to 20°F |
| Oakesdale | Zone 6b: -5°F to 0°F |
| Oakville | Zone 8a: 10°F to 15°F |
| Ocean City | Zone 8b: 15°F to 20°F |
| Ocean Park | Zone 8b: 15°F to 20°F |
| Ocean Shores | Zone 9a: 20°F to 25°F |
| Odessa | Zone 6a: -10°F to -5°F |
| Okanogan | Zone 6b: -5°F to 0°F |
| Olalla | Zone 8b: 15°F to 20°F |
| Olga | Zone 8b: 15°F to 20°F |
| Olympia | Zone 8a: 10°F to 15°F |
| Olympic Hot Springs | Zone 8b: 15°F to 20°F |
| Olympic Natl Park | Zone 7b: 5°F to 10°F |
| Omak | Zone 6b: -5°F to 0°F |
| Onalaska | Zone 8a: 10°F to 15°F |
| Onion Creek | Zone 6a: -10°F to -5°F |
| Opportunity | Zone 6b: -5°F to 0°F |
| Orcas | Zone 8b: 15°F to 20°F |
| Orchards | Zone 8b: 15°F to 20°F |
| Orchards North | Zone 8b: 15°F to 20°F |
| Orchards South | Zone 8b: 15°F to 20°F |
| Orient | Zone 6a: -10°F to -5°F |
| Orin | Zone 6a: -10°F to -5°F |
| Orondo | Zone 7a: 0°F to 5°F |
| Oroville | Zone 7a: 0°F to 5°F |
| Orting | Zone 8b: 15°F to 20°F |
| Oso | Zone 8b: 15°F to 20°F |
| Othello | Zone 6b: -5°F to 0°F |
| Otis Orchards | Zone 6b: -5°F to 0°F |
| Otis Orchards-East Farms | Zone 6b: -5°F to 0°F |
| Outlook | Zone 7a: 0°F to 5°F |
| Oyehut | Zone 9a: 20°F to 25°F |
| Oysterville | Zone 8b: 15°F to 20°F |
| Ozette | Zone 8b: 15°F to 20°F |
| Pacific | Zone 8b: 15°F to 20°F |
| Pacific Beach | Zone 8b: 15°F to 20°F |
| Pacific Beach | Zone 8b: 15°F to 20°F |
| Packwood | Zone 8a: 10°F to 15°F |
| Palisades | Zone 6b: -5°F to 0°F |
| Palouse | Zone 6b: -5°F to 0°F |
| Paradise Inn | Zone 8b: 15°F to 20°F |
| Parker | Zone 6b: -5°F to 0°F |
| Parkland | Zone 8b: 15°F to 20°F |
| Parkwood | Zone 8b: 15°F to 20°F |
| Pasco | Zone 7a: 0°F to 5°F |
| Pateros | Zone 6b: -5°F to 0°F |
| Paterson | Zone 7a: 0°F to 5°F |
| Pe Ell | Zone 8a: 10°F to 15°F |
| Peaceful Valley | Zone 8a: 10°F to 15°F |
| Peshastin | Zone 6b: -5°F to 0°F |
| Piedmont | Zone 8b: 15°F to 20°F |
| Pine Lake | Zone 8b: 15°F to 20°F |
| Plain | Zone 6b: -5°F to 0°F |
| Plymouth | Zone 7b: 5°F to 10°F |
| Point Roberts | Zone 8b: 15°F to 20°F |
| Point Roberts | Zone 8b: 15°F to 20°F |
| Pomeroy | Zone 7a: 0°F to 5°F |
| Port Angeles | Zone 8b: 15°F to 20°F |
| Port Angeles East | Zone 8b: 15°F to 20°F |
| Port Gamble | Zone 8b: 15°F to 20°F |
| Port Hadlock | Zone 8b: 15°F to 20°F |
| Port Hadlock-Irondale | Zone 8b: 15°F to 20°F |
| Port Ludlow | Zone 8b: 15°F to 20°F |
| Port Orchard | Zone 8b: 15°F to 20°F |
| Port Townsend | Zone 9a: 20°F to 25°F |
| Porter | Zone 8b: 15°F to 20°F |
| Poulsbo | Zone 8b: 15°F to 20°F |
| Prairie Ridge | Zone 8b: 15°F to 20°F |
| Prescott | Zone 7a: 0°F to 5°F |
| Preston | Zone 8b: 15°F to 20°F |
| Priest Point | Zone 8b: 15°F to 20°F |
| Prosser | Zone 7a: 0°F to 5°F |
| Pullman | Zone 6b: -5°F to 0°F |
| Purdy | Zone 8b: 15°F to 20°F |
| Puyallup | Zone 8b: 15°F to 20°F |
| Pysht | Zone 8b: 15°F to 20°F |
| Queets | Zone 8b: 15°F to 20°F |
| Quilcene | Zone 8b: 15°F to 20°F |
| Quillayute | Zone 8b: 15°F to 20°F |
| Quinault | Zone 8b: 15°F to 20°F |
| Quincy | Zone 6b: -5°F to 0°F |
| Rainier | Zone 8a: 10°F to 15°F |
| Randle | Zone 8a: 10°F to 15°F |
| Ravensdale | Zone 8b: 15°F to 20°F |
| Raymond | Zone 8b: 15°F to 20°F |
| Reardan | Zone 6a: -10°F to -5°F |
| Redmond | Zone 8b: 15°F to 20°F |
| Redondo | Zone 8b: 15°F to 20°F |
| Renton | Zone 8b: 15°F to 20°F |
| Republic | Zone 5b: -15°F to -10°F |
| Retsil | Zone 8b: 15°F to 20°F |
| Rice | Zone 6a: -10°F to -5°F |
| Richland | Zone 7b: 5°F to 10°F |
| Richmond Highlands | Zone 8b: 15°F to 20°F |
| Ridgefield | Zone 8b: 15°F to 20°F |
| Ritzville | Zone 6b: -5°F to 0°F |
| River Road | Zone 8b: 15°F to 20°F |
| Riverbend | Zone 8b: 15°F to 20°F |
| Riverside | Zone 6b: -5°F to 0°F |
| Riverton | Zone 8b: 15°F to 20°F |
| Robe | Zone 8a: 10°F to 15°F |
| Roche Harbor | Zone 8b: 15°F to 20°F |
| Rochester | Zone 8a: 10°F to 15°F |
| Rock Island | Zone 7a: 0°F to 5°F |
| Rockford | Zone 6b: -5°F to 0°F |
| Rockport | Zone 8a: 10°F to 15°F |
| Rocky Point | Zone 8b: 15°F to 20°F |
| Rollingbay | Zone 8b: 15°F to 20°F |
| Ronald | Zone 6b: -5°F to 0°F |
| Roosevelt | Zone 7b: 5°F to 10°F |
| Rosalia | Zone 6b: -5°F to 0°F |
| Rosburg | Zone 8b: 15°F to 20°F |
| Rosedale | Zone 8b: 15°F to 20°F |
| Roslyn | Zone 6b: -5°F to 0°F |
| Roy | Zone 8b: 15°F to 20°F |
| Royal City | Zone 6b: -5°F to 0°F |
| Ruston | Zone 8b: 15°F to 20°F |
| Ryderwood | Zone 8a: 10°F to 15°F |
| Sahalee | Zone 8b: 15°F to 20°F |
| Saint John | Zone 6b: -5°F to 0°F |
| Salkum | Zone 8a: 10°F to 15°F |
| Salmon Creek | Zone 8b: 15°F to 20°F |
| Sammamish | Zone 8b: 15°F to 20°F |
| Sappho | Zone 8b: 15°F to 20°F |
| Satsop | Zone 8b: 15°F to 20°F |
| Satus | Zone 7a: 0°F to 5°F |
| Seabeck | Zone 8b: 15°F to 20°F |
| Seahurst | Zone 8b: 15°F to 20°F |
| SeaTac | Zone 8b: 15°F to 20°F |
| Seattle | Zone 8b: 15°F to 20°F |
| Seattle/Boeing Field | Zone 8b: 15°F to 20°F |
| Seaview | Zone 8b: 15°F to 20°F |
| Sedro-Woolley | Zone 8a: 10°F to 15°F |
| Seguim | Zone 8b: 15°F to 20°F |
| Sekiu | Zone 8b: 15°F to 20°F |
| Selah | Zone 6b: -5°F to 0°F |
| Sequim | Zone 8b: 15°F to 20°F |
| Shaker Church | Zone 8b: 15°F to 20°F |
| Shaw Island | Zone 8b: 15°F to 20°F |
| Shelter Bay | Zone 8b: 15°F to 20°F |
| Shelton | Zone 8b: 15°F to 20°F |
| Sheridan Beach | Zone 8b: 15°F to 20°F |
| Shoreline | Zone 8b: 15°F to 20°F |
| Silvana | Zone 8b: 15°F to 20°F |
| Silver Creek | Zone 8a: 10°F to 15°F |
| Silver Firs | Zone 8b: 15°F to 20°F |
| Silver Lake | Zone 8a: 10°F to 15°F |
| Silverdale | Zone 8b: 15°F to 20°F |
| Sisco Heights | Zone 8b: 15°F to 20°F |
| Skamania | Zone 8b: 15°F to 20°F |
| Skamokawa | Zone 8b: 15°F to 20°F |
| Ski Bluewood | Zone 6b: -5°F to 0°F |
| Skokomish | Zone 8b: 15°F to 20°F |
| Skykomish | Zone 8a: 10°F to 15°F |
| Smokey Point | Zone 8b: 15°F to 20°F |
| Snee Oosh | Zone 8b: 15°F to 20°F |
| Snohomish | Zone 8b: 15°F to 20°F |
| Snoqualmie | Zone 8b: 15°F to 20°F |
| Snoqualmie Pass | Zone 7a: 0°F to 5°F |
| Soap Lake | Zone 6b: -5°F to 0°F |
| South Bend | Zone 8b: 15°F to 20°F |
| South Broadway | Zone 6b: -5°F to 0°F |
| South Cle Elum | Zone 6b: -5°F to 0°F |
| South Colby | Zone 8b: 15°F to 20°F |
| South Hill | Zone 8b: 15°F to 20°F |
| South Prairie | Zone 8b: 15°F to 20°F |
| South Wenatchee | Zone 7a: 0°F to 5°F |
| Southworth | Zone 8b: 15°F to 20°F |
| Spanaway | Zone 8b: 15°F to 20°F |
| Spangle | Zone 6a: -10°F to -5°F |
| Spokane | Zone 6b: -5°F to 0°F |
| Spokane Valley | Zone 6b: -5°F to 0°F |
| Spokane/Fairchild AFB | Zone 6a: -10°F to -5°F |
| Spokane/Felts Field | Zone 6b: -5°F to 0°F |
| Sprague | Zone 6b: -5°F to 0°F |
| Springdale | Zone 6a: -10°F to -5°F |
| Stampede Pass | Zone 7a: 0°F to 5°F |
| Stanwood | Zone 8b: 15°F to 20°F |
| Starbuck | Zone 7a: 0°F to 5°F |
| Startup | Zone 8b: 15°F to 20°F |
| Stehekin | Zone 7a: 0°F to 5°F |
| Steilacoom | Zone 8b: 15°F to 20°F |
| Steptoe | Zone 6b: -5°F to 0°F |
| Stevenson | Zone 8b: 15°F to 20°F |
| Stimson Crossing | Zone 8b: 15°F to 20°F |
| Stratford | Zone 6b: -5°F to 0°F |
| Sudden Valley | Zone 8a: 10°F to 15°F |
| Sultan | Zone 8b: 15°F to 20°F |
| Sumas | Zone 8a: 10°F to 15°F |
| Summit | Zone 8b: 15°F to 20°F |
| Summitview | Zone 6b: -5°F to 0°F |
| Sumner | Zone 8b: 15°F to 20°F |
| Sunnyside | Zone 7a: 0°F to 5°F |
| Sunnyslope | Zone 7a: 0°F to 5°F |
| Suquamish | Zone 8b: 15°F to 20°F |
| Swede Heaven | Zone 8a: 10°F to 15°F |
| Swinomish Village | Zone 8b: 15°F to 20°F |
| Tacoma | Zone 8b: 15°F to 20°F |
| Tacoma/McChord AFB | Zone 8b: 15°F to 20°F |
| Taholah | Zone 8b: 15°F to 20°F |
| Tahuya | Zone 8b: 15°F to 20°F |
| Tampico | Zone 6b: -5°F to 0°F |
| Tanglewilde-Thompson Place | Zone 8a: 10°F to 15°F |
| Tanner | Zone 8b: 15°F to 20°F |
| Tekoa | Zone 6b: -5°F to 0°F |
| Tenino | Zone 8a: 10°F to 15°F |
| Terrace Heights | Zone 6b: -5°F to 0°F |
| Thornton | Zone 6b: -5°F to 0°F |
| Thorp | Zone 6b: -5°F to 0°F |
| Three Lakes | Zone 8b: 15°F to 20°F |
| Tieton | Zone 6b: -5°F to 0°F |
| Timentwa | Zone 6b: -5°F to 0°F |
| Tokeland | Zone 8b: 15°F to 20°F |
| Toledo | Zone 8a: 10°F to 15°F |
| Tonasket | Zone 6b: -5°F to 0°F |
| Toppenish | Zone 7a: 0°F to 5°F |
| Torboy | Zone 5b: -15°F to -10°F |
| Touchet | Zone 7a: 0°F to 5°F |
| Toutle | Zone 8a: 10°F to 15°F |
| Town and Country | Zone 6b: -5°F to 0°F |
| Tracyton | Zone 8b: 15°F to 20°F |
| Trentwood | Zone 6b: -5°F to 0°F |
| Tri-Cities | Zone 7a: 0°F to 5°F |
| Trout Lake | Zone 6b: -5°F to 0°F |
| Tukwila | Zone 8b: 15°F to 20°F |
| Tulalip | Zone 8b: 15°F to 20°F |
| Tulalip Bay | Zone 8b: 15°F to 20°F |
| Tumtum | Zone 6b: -5°F to 0°F |
| Tumwater | Zone 8a: 10°F to 15°F |
| Twisp | Zone 5b: -15°F to -10°F |
| Tyee | Zone 8b: 15°F to 20°F |
| Underwood | Zone 8a: 10°F to 15°F |
| Union | Zone 8b: 15°F to 20°F |
| Union Gap | Zone 6b: -5°F to 0°F |
| Union Hill-Novelty Hill | Zone 8b: 15°F to 20°F |
| Uniontown | Zone 6b: -5°F to 0°F |
| University Place | Zone 8b: 15°F to 20°F |
| Usk | Zone 6a: -10°F to -5°F |
| Vader | Zone 8a: 10°F to 15°F |
| Valley | Zone 6a: -10°F to -5°F |
| Valleyford | Zone 6b: -5°F to 0°F |
| Van Zandt | Zone 8a: 10°F to 15°F |
| Vancouver | Zone 8b: 15°F to 20°F |
| Vantage | Zone 7a: 0°F to 5°F |
| Vashon | Zone 8b: 15°F to 20°F |
| Vaughn | Zone 8b: 15°F to 20°F |
| Venersborg | Zone 8a: 10°F to 15°F |
| Veradale | Zone 6b: -5°F to 0°F |
| Verlot | Zone 8a: 10°F to 15°F |
| Wahkiacus | Zone 7b: 5°F to 10°F |
| Waitsburg | Zone 7a: 0°F to 5°F |
| Waldron | Zone 8b: 15°F to 20°F |
| Waldron | Zone 8b: 15°F to 20°F |
| Walla Walla | Zone 7a: 0°F to 5°F |
| Walla Walla East | Zone 7a: 0°F to 5°F |
| Waller | Zone 8b: 15°F to 20°F |
| Wallula | Zone 7a: 0°F to 5°F |
| Walnut Grove | Zone 8b: 15°F to 20°F |
| Wapato | Zone 6b: -5°F to 0°F |
| Warden | Zone 6b: -5°F to 0°F |
| Warm Beach | Zone 8b: 15°F to 20°F |
| Washougal | Zone 8b: 15°F to 20°F |
| Washtucna | Zone 7a: 0°F to 5°F |
| Waterville | Zone 6a: -10°F to -5°F |
| Wauconda | Zone 5a: -20°F to -15°F |
| Wauna | Zone 8b: 15°F to 20°F |
| Waverly | Zone 6b: -5°F to 0°F |
| Weallup Lake | Zone 8b: 15°F to 20°F |
| Wellpinit | Zone 6b: -5°F to 0°F |
| Wenatchee | Zone 7a: 0°F to 5°F |
| Wesport | Zone 9a: 20°F to 25°F |
| West Clarkston-Highland | Zone 7b: 5°F to 10°F |
| West Lake Sammamish | Zone 8b: 15°F to 20°F |
| West Lake Stevens | Zone 8b: 15°F to 20°F |
| West Longview | Zone 8b: 15°F to 20°F |
| West Pasco | Zone 7a: 0°F to 5°F |
| West Richland | Zone 7a: 0°F to 5°F |
| West Side Highway | Zone 8b: 15°F to 20°F |
| West Sound | Zone 8b: 15°F to 20°F |
| West Valley | Zone 6b: -5°F to 0°F |
| West Wenatchee | Zone 7a: 0°F to 5°F |
| Westport | Zone 9a: 20°F to 25°F |
| Whidbey Island | Zone 8b: 15°F to 20°F |
| White Center | Zone 8b: 15°F to 20°F |
| White Salmon | Zone 7b: 5°F to 10°F |
| White Swan | Zone 6b: -5°F to 0°F |
| Wilbur | Zone 6a: -10°F to -5°F |
| Wilkeson | Zone 8a: 10°F to 15°F |
| Willapa | Zone 8b: 15°F to 20°F |
| Wilson Creek | Zone 6b: -5°F to 0°F |
| Winlock | Zone 8a: 10°F to 15°F |
| Winslow | Zone 8b: 15°F to 20°F |
| Winthrop | Zone 5b: -15°F to -10°F |
| Wishram | Zone 7b: 5°F to 10°F |
| Wollochet | Zone 8b: 15°F to 20°F |
| Woodinville | Zone 8b: 15°F to 20°F |
| Woodland | Zone 8b: 15°F to 20°F |
| Woodmont Beach | Zone 8b: 15°F to 20°F |
| Woods Creek | Zone 8b: 15°F to 20°F |
| Woodway | Zone 8b: 15°F to 20°F |
| Yacolt | Zone 8a: 10°F to 15°F |
| Yakima | Zone 6b: -5°F to 0°F |
| Yarrow Point | Zone 8b: 15°F to 20°F |
| Yelm | Zone 8b: 15°F to 20°F |
| Zillah | Zone 7a: 0°F to 5°F |