North Bend, Washington has a Temperate Oceanic Climate climate (Köppen classification: Cfb). Average annual temperatures range from 42.8 °F (low) to 59.8 °F (high). Annual precipitation averages 66 Inches. North Bend is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 34.5 °F | 45.8 °F | 9.21 in. |
| February | 34.5 °F | 48.9 °F | 6.3 in. |
| March | 36.7 °F | 53.1 °F | 7.18 in. |
| April | 40.0 °F | 58.0 °F | 5.94 in. |
| May | 45.8 °F | 64.7 °F | 3.84 in. |
| June | 50.1 °F | 68.6 °F | 3.14 in. |
| July | 53.8 °F | 75.6 °F | 1.29 in. |
| August | 53.7 °F | 76.9 °F | 1.33 in. |
| September | 49.5 °F | 70.9 °F | 2.95 in. |
| October | 43.3 °F | 59.9 °F | 6.57 in. |
| November | 38.0 °F | 50.5 °F | 9.77 in. |
| December | 34.0 °F | 44.7 °F | 8.51 in. |
| Annual | 42.8 °F | 59.8 °F | 66.03 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfb - Temperate Oceanic Climate |