Indiana (Indianapolis)
August
Weather in Indiana for August 2026
Your guide to Indiana weather in August - trends and predictions
Hydrologic Outlook - See hour by hour.
The forecast for the next days in Indiana predicts temperatures to be around 29 °F, close to the historical average.
In general, the average temperature in Indiana at the beginning of August is 27.1 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 29.3 °F by the end of August.
Indiana experiences moderate rainfall in August, with an average of 9 rainy days and a total precipitation of 97.1 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Official Weather Alert ⚠️
Temperatures
Rain 🌧️
More
22
Dry days
9
Rainy days
0
Snow days
28°/18°
Temperatures
15 km/h
Avg max wind
69 %
Avg humidity
Indiana Weather August
Move between months or click on a day
What’s the Weather Like in Indiana This August?
Discover the average temperatures and weather trends across Indiana’s cities this August.
Temperatures trend during August in Indiana
See the weather trend as well as the moving average line
August weather in Indiana day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Sunny | 27° /21° | 26.6 mm | 2.3 | |
| Aug. 2 |  Fog | 25° /18° | 1.7 mm | 3.4 | |
| Aug. 3 |  Patchy rain possible | 26° /19° | 0.5 mm | 6.3 | |
| Aug. 4 | Sunny | 28° /17° | 0.1 mm | 7.2 | |
| Aug. 5 | Sunny | 30° /20° | 5 mm | 7 | |
| Aug. 6 | Sunny | 27° /21° | 5.4 mm | 6 | |
| Aug. 7 |  Overcast | 27° /20° | 2.7 mm | 7 | |
| Aug. 8 | Sunny | 29° /20° | 16.6 mm | 7 | |
| Aug. 9 | Patchy rain possible | 29° /21° | 11.7 mm | 7 | |
| Aug. 10 | Sunny | 32° /22° | 9.2 mm | 8 | |
| Aug. 11 | Sunny | 29° /23° | 0 mm | 7 | |
| Aug. 12 | Patchy rain possible | 28° /19° | 7.2 mm | 7 | |
| Aug. 13 | Sunny | 31° /21° | 3 mm | 8 | |
| Aug. 14 |  Thundery outbreaks possible | 32° /23° | 4.3 mm | 8 | |
| Aug. 15 | Patchy rain possible | 26° /18° | 2 mm | 6 | |
| Aug. 16 | Overcast | 30° /18° | 1.3 mm | 7 | |
| Aug. 17 |  Moderate or heavy rain shower | 29° /18° | 6 mm | 7 | |
| Aug. 18 | Overcast | 27° /17° | 0.6 mm | 6 | |
| Aug. 19 | Overcast | 28° /16° | 2.1 mm | 7 | |
| Aug. 20 |  Cloudy | 28° /17° | 0 mm | 6 | |
| Aug. 21 | Patchy rain possible | 27° /17° | 0.1 mm | 6 | |
| Aug. 22 | Overcast | 29° /17° | 0 mm | 7 | |
| Aug. 23 | Overcast | 31° /17° | 1.5 mm | 7 | |
| Aug. 24 | Cloudy | 30° /20° | 0.1 mm | 6 | |
| Aug. 25 | Overcast | 30° /20° | 0.2 mm | 7 | |
| Aug. 26 | Patchy rain possible | 31° /16° | 4.2 mm | 7 | |
| Aug. 27 | Overcast | 29° /16° | 4.2 mm | 6 | |
| Aug. 28 | Mist | 31° /15° | 2.8 mm | 7 | |
| Aug. 29 | Mist | 30° /15° | 0.8 mm | 7 | |
| Aug. 30 | Sunny | 28° /16° | 0.6 mm | 7 | |
| Aug. 31 | Sunny | 26° /14° | 1.4 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Indiana 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 Indiana forecast closer to your planned date for the most up-to-date weather information.
Change Month
Indiana in August - FAQ
What are the expected maximum and minimum temperatures in Indiana during August?
During August, expect a variety of temperatures with highs around 28° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Indiana during August?
Moderate rainfall is anticipated in Indiana during August, with a total of 97.1 mm spread over approximately 9 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Indiana during August?
The average wind speed in Indiana during August is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Indiana
Explore the daily rainfall trends and prepare for Indianas August weather 💧
Typically, Indiana has 9 rainy days in August with a total of 97.1 mm of rainfall.
UV exposure in Indiana during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
Counties in Indiana
Select a county for an accurate weather forecast
Top locations in Indiana
Select a location for an accurate weather forecast
More Locations Quick links
More Indiana weather pages
You are here
Where is Indiana?Get accurate weather forecasts for Indiana, located at latitude 39.768 and longitude -86.158. Stay updated with localized weather information tailored for Indiana.
Found a mistake?
We appreciate your attention to details. Tell us here.