Bonneville County (Idaho Falls)
August
Weather in Bonneville County, Idaho for August 2026
Your guide to Bonneville County weather in August - trends and predictions
Until now, August 2026 in Bonneville County is slightly cooler than the historical average by 1.1 °F.
The forecast for the next days in Bonneville County predicts temperatures to be around 33 °F, close to the historical average.
In general, the average temperature in Bonneville County at the beginning of August is 33.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 27.1 °F by the end of August.
With an average of 3 rainy days, Bonneville County experiences minimal rainfall in August.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
28
Dry days
3
Rainy days
0
Snow days
31°/12°
Temperatures
23 km/h
Avg max wind
34 %
Avg humidity
Bonneville County Weather August
Move between months or click on a day
Temperatures trend during August in Bonneville County
See the weather trend as well as the moving average line
August weather in Bonneville County day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Sunny | 35° /12° | 0 mm | 9 | |
| Aug. 2 | Sunny | 34° /14° | 0 mm | 9 | |
| Aug. 3 | Sunny | 32° /12° | 0 mm | 9 | |
| Aug. 4 |  Cloudy | 31° /12° | 0 mm | 9 | |
| Aug. 5 | Sunny | 32° /11° | 0 mm | 9 | |
| Aug. 6 |  Partly cloudy | 35° /11° | 0 mm | 9 | |
| Aug. 7 | Sunny | 33° /13° | 0 mm | 9 | |
| Aug. 8 |  Overcast | 29° /12° | 0 mm | 7 | |
| Aug. 9 | Sunny | 37° /14° | 0 mm | 6.3 | |
| Aug. 10 | Sunny | 37° /15° | 0 mm | 8.1 | |
| Aug. 11 | Sunny | 36° /15° | 0 mm | 5 | |
| Aug. 12 | Partly cloudy | 33° /19° | 0 mm | 6.4 | |
| Aug. 13 | Sunny | 34° /15° | 0 mm | 8 | |
| Aug. 14 | Partly cloudy | 30° /17° | 0 mm | 7 | |
| Aug. 15 | Sunny | 30° /15° | 0 mm | 8 | |
| Aug. 16 | Sunny | 33° /13° | 0 mm | 8 | |
| Aug. 17 | Sunny | 34° /14° | 0 mm | 8 | |
| Aug. 18 | Partly cloudy | 34° /17° | 0 mm | 8 | |
| Aug. 19 | Sunny | 31° /14° | 1.3 mm | 8 | |
| Aug. 20 | Sunny | 33° /15° | 0 mm | 8 | |
| Aug. 21 | Sunny | 32° /14° | 0 mm | 8 | |
| Aug. 22 | Partly cloudy | 33° /11° | 0 mm | 8 | |
| Aug. 23 |  Patchy rain possible | 32° /10° | 0.4 mm | 7 | |
| Aug. 24 | Overcast | 30° /11° | 0 mm | 7 | |
| Aug. 25 | Cloudy | 27° /9° | 0 mm | 6 | |
| Aug. 26 | Sunny | 26° /10° | 2.5 mm | 6 | |
| Aug. 27 | Sunny | 25° /12° | 30.2 mm | 6 | |
| Aug. 28 | Sunny | 25° /14° | 0 mm | 6 | |
| Aug. 29 | Sunny | 27° /7° | 0 mm | 7 | |
| Aug. 30 | Sunny | 29° /8° | 0 mm | 8 | |
| Aug. 31 | Sunny | 31° /10° | 0 mm | 8 | |
| Next | |||||
Important Notice
Our weather forecast for Bonneville County in August 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 Bonneville County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Bonneville County in August - FAQ
What are the expected maximum and minimum temperatures in Bonneville County during August?
Expect warm days with temperatures around 31°, cooling to mild conditions of 12° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Bonneville County during August?
In August, Bonneville County can expect light to moderate rainfall, totaling 36.1 mm across approximately 3 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Bonneville County during August?
The average wind speed in Bonneville County during August is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Bonneville County
Explore the daily rainfall trends and prepare for Bonneville Countys August weather 💧
Typically, Bonneville County has 3 rainy days in August with a total of 36.1 mm of rainfall.
UV exposure in Bonneville County during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
Top locations in Bonneville County
Select a location for an accurate weather forecast
More Locations Quick links
More Bonneville County weather pages
You are here
Where is Bonneville County?Get accurate weather forecasts for Bonneville County, located at latitude 43.467 and longitude -112.034. Stay updated with localized weather information tailored for Bonneville County.
Found a mistake?
We appreciate your attention to details. Tell us here.