Outlook, Washington has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 38.7 °F (low) to 63.9 °F (high). Annual precipitation averages 7.5 Inches. Outlook is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 26.0 °F | 39.6 °F | 1.0 in. |
| February | 27.3 °F | 47.1 °F | 0.7 in. |
| March | 31.9 °F | 56.5 °F | 0.58 in. |
| April | 36.7 °F | 64.1 °F | 0.54 in. |
| May | 44.5 °F | 73.2 °F | 0.75 in. |
| June | 50.1 °F | 79.6 °F | 0.64 in. |
| July | 55.1 °F | 88.7 °F | 0.21 in. |
| August | 53.8 °F | 87.4 °F | 0.2 in. |
| September | 46.5 °F | 78.5 °F | 0.22 in. |
| October | 37.4 °F | 64.4 °F | 0.76 in. |
| November | 29.9 °F | 49.4 °F | 0.89 in. |
| December | 25.4 °F | 38.7 °F | 1.0 in. |
| Annual | 38.7 °F | 63.9 °F | 7.49 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |