Ada County (Boise)
October
Weather in Ada County for October 2025
Your guide to Ada County weather in October - trends and predictions
In general, the average temperature in Ada County at the beginning of October is 24.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 12.9 °F by the end of October.
With an average of 5 rainy days, Ada County experiences minimal rainfall in October.
Snowfall in Ada County during October is quite rare, with fewer than 2 snowy days on average.
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25
Dry days
5
Rainy days
1
Snow days
19°/7°
Temperatures
18 km/h
Avg max wind
41 %
Avg humidity
Ada County in October average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2 24° | 3 23° | 4 28° | 5 22° | ||
| 6 26° | 7 27° | 8  27° | 9 26° | 10 19° | 11 24° | 12 24° |
| 13 24° | 14 26° | 15 27° | 16  16° | 17  12° | 18 13° | 19 16° |
| 20 19° | 21 18° | 22 17° | 23 17° | 24  9° | 25 14° | 26 17° |
| 27 19° | 28 10° | 29  10° | 30 10° | 31  10° |
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Temperatures trend during October in Ada County
See the weather trend as well as the moving average line
October weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Oct. 1 | Sunny | 24° /6° | 0 mm | 0 cm | |
| Oct. 2 | Sunny | 24° /9° | 0 mm | 0 cm | |
| Oct. 3 | Sunny | 23° /6° | 0 mm | 0 cm | |
| Oct. 4 | Sunny | 28° /9° | 0 mm | 0 cm | |
| Oct. 5 | Sunny | 22° /9° | 0 mm | 0 cm | |
| Oct. 6 | Sunny | 26° /8° | 0 mm | 0 cm | |
| Oct. 7 | Sunny | 27° /12° | 0 mm | 0 cm | |
| Oct. 8 | Overcast | 27° /13° | 0 mm | 0 cm | |
| Oct. 9 | Sunny | 26° /12° | 0 mm | 0 cm | |
| Oct. 10 | Overcast | 19° /10° | 0 mm | 0 cm | |
| Oct. 11 | Overcast | 24° /11° | 0 mm | 0 cm | |
| Oct. 12 | Overcast | 24° /11° | 0 mm | 0 cm | |
| Oct. 13 | Sunny | 24° /11° | 0 mm | 0 cm | |
| Oct. 14 | Sunny | 26° /10° | 0 mm | 0 cm | |
| Oct. 15 | Sunny | 27° /12° | 0 mm | 0 cm | |
| Oct. 16 | Moderate rain | 16° /6° | 7.4 mm | 0 cm | |
| Oct. 17 | Light rain | 12° /4° | 1.8 mm | 0 cm | |
| Oct. 18 | Sunny | 13° /1° | 0 mm | 0 cm | |
| Oct. 19 | Sunny | 16° /3° | 0 mm | 0 cm | |
| Oct. 20 | Sunny | 19° /5° | 0 mm | 0 cm | |
| Oct. 21 | Overcast | 18° /8° | 0 mm | 0 cm | |
| Oct. 22 | Overcast | 17° /7° | 0 mm | 0 cm | |
| Oct. 23 | Overcast | 17° /3° | 1.4 mm | 0 cm | |
| Oct. 24 | Cloudy | 9° /1° | 2 mm | 0 cm | |
| Oct. 25 | Overcast | 14° /-1° | 0 mm | 0 cm | |
| Oct. 26 | Sunny | 17° /7° | 0 mm | 0 cm | |
| Oct. 27 | Overcast | 19° /12° | 0.3 mm | 0 cm | |
| Oct. 28 | Overcast | 10° /4° | 0 mm | 0 cm | |
| Oct. 29 | Mist | 10° /1° | 0 mm | 0 cm | |
| Oct. 30 | Cloudy | 10° /1° | 0 mm | 0 cm | |
| Oct. 31 | Light rain shower | 10° /0° | 17 mm | 1.4 cm | |
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Important Notice
Our weather forecast for Ada County in October 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 October - FAQ
What are the expected maximum and minimum temperatures in Ada County during October?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Ada County during October?
In October, Ada County can expect light to moderate rainfall, totaling 29.9 mm across approximately 5 days. Occasional showers are possible, and planning ahead for them could be helpful.
Is snowfall common in Ada County during October?
Ada County experiences an average snowfall of 1.4 cm during October, occurring over 1 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Ada County during October?
The average wind speed in Ada County during October is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Ada County
Explore the daily rainfall trends and prepare for Ada Countys October weather 💧
October snowfall in Ada County
Track daily snowfall levels and discover Ada County’s snowy potential this October ❄️
UV exposure in Ada County during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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Where is Ada County?Get accurate weather forecasts for Ada County, located at latitude 43.614 and longitude -116.203. Stay updated with localized weather information tailored for Ada County.
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