Ada County (Boise)
February
Weather in Ada County for February 2026
Your guide to Ada County weather in February - trends and predictions
Expect heavy snowfall in Ada County during February, with an average of 17 snowy days.
In general, the average temperature in Ada County at the beginning of February is 4.1 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 6.9 °F by the end of February.
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Snow Forecast ❄️
Temperatures
More
7
Dry days
5
Rainy days
17
Snow days
4°/-2°
Temperatures
15 km/h
Avg max wind
81 %
Avg humidity
Ada County Weather February
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  6° | 2  4° | 3  3° | 4 5° | 5  6° | 6  2° | 7 3° |
| 8 1° | 9  1° | 10  0° | 11  -1° | 12 0° | 13 2° | 14 4° |
| 15  2° | 16  3° | 17  3° | 18  1° | 19  2° | 20 3° | 21 3° |
| 22 5° | 23 6° | 24 10° | 25 9° | 26 7° | 27 5° | 28 6° |
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Temperatures trend during February in Ada County
See the weather trend as well as the moving average line
February weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Feb. 1 | Light drizzle | 6° /-1° | 13.3 mm | 3.9 cm | |
| Feb. 2 | Light rain shower | 4° /1° | 19.9 mm | 8.4 cm | |
| Feb. 3 | Moderate or heavy snow showers | 3° /0° | 19.7 mm | 3.5 cm | |
| Feb. 4 | Patchy rain possible | 5° /1° | 37.2 mm | 0 cm | |
| Feb. 5 | Thundery outbreaks possible | 6° /0° | 9.8 mm | 0 cm | |
| Feb. 6 | Light sleet | 2° /-2° | 2.2 mm | 0 cm | |
| Feb. 7 | Moderate or heavy snow showers | 3° /-1° | 11.3 mm | 5.4 cm | |
| Feb. 8 | Patchy rain possible | 1° /-4° | 0.1 mm | 0 cm | |
| Feb. 9 | Patchy light snow | 1° /-5° | 0.1 mm | 0 cm | |
| Feb. 10 | Sunny | 0° /-7° | 0 mm | 0 cm | |
| Feb. 11 | Partly cloudy | -1° /-7° | 0 mm | 0 cm | |
| Feb. 12 | Partly cloudy | 0° /-9° | 0 mm | 0 cm | |
| Feb. 13 | Sunny | 2° /-8° | 14.5 mm | 10.5 cm | |
| Feb. 14 | Patchy rain possible | 4° /-1° | 24.8 mm | 11.3 cm | |
| Feb. 15 | Moderate or heavy rain with thunder | 2° /-2° | 7.7 mm | 0.8 cm | |
| Feb. 16 | Light snow showers | 3° /0° | 3.9 mm | 0.8 cm | |
| Feb. 17 | Overcast | 3° /0° | 18.9 mm | 12.4 cm | |
| Feb. 18 | Heavy snow | 1° /-4° | 8.3 mm | 7 cm | |
| Feb. 19 | Moderate snow | 2° /-4° | 20.7 mm | 14.4 cm | |
| Feb. 20 | Patchy rain possible | 3° /-1° | 3.9 mm | 0 cm | |
| Feb. 21 | Light drizzle | 3° /-2° | 0.3 mm | 0 cm | |
| Feb. 22 | Patchy rain possible | 5° /-1° | 2.9 mm | 2 cm | |
| Feb. 23 | Sunny | 6° /0° | 33.1 mm | 2.5 cm | |
| Feb. 24 | Sunny | 10° /3° | 2.4 mm | 0 cm | |
| Feb. 25 | Partly cloudy | 9° /1° | 0 mm | 0 cm | |
| Feb. 26 | Moderate or heavy snow showers | 7° /-2° | 2.7 mm | 1 cm | |
| Feb. 27 | Moderate or heavy snow showers | 5° /-4° | 0.7 mm | 0.6 cm | |
| Feb. 28 | Patchy moderate snow | 6° /-3° | 0.5 mm | 0.3 cm | |
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Important Notice
Our weather forecast for Ada County in February is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Ada County forecast closer to your planned date for the most up-to-date weather information.
Ada County in February - FAQ
What are the expected maximum and minimum temperatures in Ada County during February?
Brace for cold days with temperatures not exceeding 4° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Ada County during February?
Significant rainfall exceeding 266.5 mm is expected in Ada County during February, occurring over more than 5 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Ada County in February 2026?
Ada County experiences an average snowfall of 87.3 cm during February, occurring over 17 days.
What are the typical wind conditions in Ada County during February?
The average wind speed in Ada County during February is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
Ada County snow forecast February 2026
Track daily snowfall levels and discover Ada County’s snowy potential this February ❄️
February rainfall patterns in Ada County
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