Ada County (Boise)
July
Weather in Ada County, Idaho for July 2026
Your guide to Ada County weather in July - trends and predictions
Heat Advisory - See hour by hour.
So far, July 2026 in Ada County is slightly warmer than the historical average by 1.5 °C.
The forecast for the next days in Ada County predicts temperatures to be around 38 °C, close to the historical average.
In general, the average temperature in Ada County at the beginning of July is 31.6 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 37.6 °C by the end of July.
With an average of 2 rainy days, Ada County experiences minimal rainfall in July.
New! Chat with our AI weatherman - it’s amazing and free.
Official Weather Alert ⚠️
Temperatures
Rain 🌧️
More
29
Dry days
2
Rainy days
0
Snow days
33°/19°
Temperatures
20 km/h
Avg max wind
28 %
Avg humidity
Ada County Weather July
Move between months or click on a day
Temperatures trend during July in Ada County
See the weather trend as well as the moving average line
July weather in Ada County day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jul. 1 |  Thundery outbreaks possible | 31° /15° | 0.6 mm | 9 | |
| Jul. 2 |  Sunny | 30° /15° | 0 mm | 8 | |
| Jul. 3 | Sunny | 30° /15° | 0.7 mm | 8 | |
| Jul. 4 | Sunny | 31° /16° | 1.4 mm | 8 | |
| Jul. 5 | Sunny | 32° /16° | 0 mm | 9 | |
| Jul. 6 |  Overcast | 33° /18° | 0 mm | 8 | |
| Jul. 7 | Sunny | 34° /16° | 0 mm | 9 | |
| Jul. 8 | Sunny | 37° /18° | 0 mm | 10 | |
| Jul. 9 | Sunny | 35° /19° | 0 mm | 9 | |
| Jul. 10 | Sunny | 35° /17° | 1 mm | 9 | |
| Jul. 11 | Sunny | 36° /19° | 0 mm | 9 | |
| Jul. 12 | Sunny | 35° /18° | 0 mm | 9 | |
| Jul. 13 | Sunny | 36° /21° | 0 mm | 9 | |
| Jul. 14 |  Cloudy | 34° /22° | 0.3 mm | 9 | |
| Jul. 15 | Sunny | 34° /20° | 0 mm | 9 | |
| Jul. 16 | Sunny | 35° /18° | 0 mm | 9 | |
| Jul. 17 |  Patchy rain possible | 36° /20° | 0 mm | 9 | |
| Jul. 18 | Sunny | 37° /21° | 0 mm | 9 | |
| Jul. 19 |  Partly cloudy | 36° /20° | 0 mm | 9 | |
| Jul. 20 | Sunny | 42° /20° | 0.4 mm | 9.1 | |
| Jul. 21 | Partly cloudy | 38° /21° | 0.5 mm | 7.9 | |
| Jul. 22 | Sunny | 32° /23° | 0.6 mm | 5 | |
| Jul. 23 | Sunny | 38° /19° | 0.7 mm | 9.1 | |
| Jul. 24 | Sunny | 39° /21° | 0 mm | 9 | |
| Jul. 25 | Sunny | 39° /20° | 0 mm | 9 | |
| Jul. 26 | Sunny | 35° /16° | 0 mm | 9 | |
| Jul. 27 | Sunny | 33° /16° | 0 mm | 8 | |
| Jul. 28 | Sunny | 36° /16° | 0 mm | 9 | |
| Jul. 29 | Sunny | 40° /19° | 0 mm | 10 | |
| Jul. 30 | Sunny | 40° /21° | 0 mm | 9 | |
| Jul. 31 | Sunny | 40° /20° | 0 mm | 10 | |
| Next | |||||
Important Notice
Our weather forecast for Ada County in July 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.
Change Month
Ada County in July - FAQ
What are the expected maximum and minimum temperatures in Ada County during July?
Expect warm days with temperatures around 33°, cooling to mild conditions of 19° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Ada County during July?
Rainfall in Ada County during July is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 2 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Ada County during July?
The average wind speed in Ada County during July is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
July rainfall patterns in Ada County
Explore the daily rainfall trends and prepare for Ada Countys July weather 💧
Typically, Ada County has 2 rainy days in July with a total of 5.4 mm of rainfall.
UV exposure in Ada County during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
Top locations in Ada County
Select a location for an accurate weather forecast
More Locations Quick links
More Ada County weather pages
You are here
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.
Found a mistake?
We appreciate your attention to details. Tell us here.