Marion County (Indianapolis)
August
Weather in Marion County for August 2025
Your guide to Marion County weather in August - trends and predictions
In general, the average temperature in Marion County at the beginning of August is 30 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 31.9 °F by the end of August.
The climate of Marion County in August is notably wet, with an average of 15 rainy days.
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16
Dry days
15
Rainy days
0
Snow days
29°/17°
Temperatures
16 km/h
Avg max wind
70 %
Avg humidity
Marion County in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  32° | 2 29° | 3  29° | ||||
| 4 32° | 5  32° | 6 31° | 7  25° | 8 29° | 9 26° | 10 26° |
| 11 28° | 12  27° | 13 29° | 14 26° | 15 24° | 16 28° | 17 29° |
| 18 25° | 19 27° | 20 28° | 21 28° | 22 29° | 23 33° | 24 33° |
| 25  35° | 26 34° | 27 32° | 28  33° | 29 33° | 30  30° | 31 26° |
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Temperatures trend during August in Marion County
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 | Cloudy | 32° /19° | 2 mm | 7 | |
| Aug. 2 | Cloudy | 29° /19° | 1.5 mm | 7 | |
| Aug. 3 | Overcast | 29° /19° | 0 mm | 7 | |
| Aug. 4 | Overcast | 32° /19° | 0 mm | 8 | |
| Aug. 5 | Patchy rain possible | 32° /21° | 5.3 mm | 8 | |
| Aug. 6 | Patchy rain possible | 31° /20° | 1.3 mm | 7 | |
| Aug. 7 | Moderate or heavy rain shower | 25° /19° | 9.6 mm | 6 | |
| Aug. 8 | Patchy rain possible | 29° /16° | 0.2 mm | 7 | |
| Aug. 9 | Moderate or heavy rain shower | 26° /16° | 6.7 mm | 6 | |
| Aug. 10 | Patchy rain possible | 26° /15° | 3 mm | 6 | |
| Aug. 11 | Patchy rain possible | 28° /15° | 0.4 mm | 7 | |
| Aug. 12 | Heavy rain at times | 27° /17° | 3.7 mm | 6 | |
| Aug. 13 | Overcast | 29° /17° | 0 mm | 7 | |
| Aug. 14 | Moderate or heavy rain shower | 26° /18° | 19.3 mm | 6 | |
| Aug. 15 | Patchy rain possible | 24° /17° | 3 mm | 6 | |
| Aug. 16 | Overcast | 28° /16° | 2 mm | 7 | |
| Aug. 17 | Moderate or heavy rain shower | 29° /17° | 2 mm | 7 | |
| Aug. 18 | Overcast | 25° /15° | 0.8 mm | 6 | |
| Aug. 19 | Overcast | 27° /14° | 0 mm | 7 | |
| Aug. 20 | Cloudy | 28° /16° | 0 mm | 7 | |
| Aug. 21 | Patchy rain possible | 28° /17° | 0.2 mm | 7 | |
| Aug. 22 | Overcast | 29° /17° | 0 mm | 7 | |
| Aug. 23 | Cloudy | 33° /17° | 2.3 mm | 7 | |
| Aug. 24 | Cloudy | 33° /21° | 0.1 mm | 7 | |
| Aug. 25 | Thundery outbreaks possible | 35° /23° | 0.3 mm | 8 | |
| Aug. 26 | Patchy rain possible | 34° /21° | 6.3 mm | 8 | |
| Aug. 27 | Overcast | 32° /18° | 6.3 mm | 7 | |
| Aug. 28 | Mist | 33° /16° | 4.2 mm | 7 | |
| Aug. 29 | Mist | 33° /16° | 1.2 mm | 7 | |
| Aug. 30 | Sunny | 30° /17° | 0.9 mm | 8 | |
| Aug. 31 | Sunny | 26° /15° | 2.2 mm | 6 | |
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Important Notice
Our weather forecast for Marion 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 Marion County forecast closer to your planned date for the most up-to-date weather information.
Marion County in August - FAQ
What are the expected maximum and minimum temperatures in Marion County during August?
During August, expect a variety of temperatures with highs around 29° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Marion County during August?
Significant rainfall exceeding 120.5 mm is expected in Marion County during August, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Marion County during August?
The average wind speed in Marion County during August is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Marion County
Explore the daily rainfall trends and prepare for Marion Countys August weather 💧
UV exposure in Marion County during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Where is Marion County?Get accurate weather forecasts for Marion County, located at latitude 39.768 and longitude -86.158. Stay updated with localized weather information tailored for Marion County.
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