Will County (Joliet)
August
Weather in Will County, Illinois for August 2026
Your guide to Will County weather in August - trends and predictions
In general, the average temperature in Will County at the beginning of August is 27.7 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of 27.6 °F by the end of August.
The climate of Will County in August is notably wet, with an average of 15 rainy days, and a total of 81.8 mm of precipitation.
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Temperatures
Rain 🌧️
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16
Dry days
15
Rainy days
0
Snow days
28°/16°
Temperatures
18 km/h
Avg max wind
73 %
Avg humidity
Will County Weather August
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Temperatures trend during August in Will County
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August weather in Will County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Patchy rain possible | 29° /17° | 1.6 mm | 7 | |
| Aug. 2 |  Fog | 27° /16° | 0.1 mm | 6 | |
| Aug. 3 |  Overcast | 30° /17° | 1.5 mm | 6 | |
| Aug. 4 | Patchy rain possible | 29° /16° | 0.2 mm | 7 | |
| Aug. 5 |  Moderate or heavy rain shower | 27° /19° | 8.2 mm | 6 | |
| Aug. 6 | Patchy rain possible | 26° /17° | 1.4 mm | 6 | |
| Aug. 7 | Moderate rain at times | 26° /17° | 2.2 mm | 6 | |
| Aug. 8 | Patchy rain possible | 28° /17° | 3.6 mm | 6 | |
| Aug. 9 | Patchy rain possible | 28° /16° | 0.9 mm | 6 | |
| Aug. 10 | Patchy rain possible | 25° /15° | 10.1 mm | 6 | |
| Aug. 11 | Patchy rain possible | 28° /17° | 8.4 mm | 6 | |
| Aug. 12 |  Cloudy | 27° /18° | 12.7 mm | 6 | |
| Aug. 13 | Patchy rain possible | 28° /16° | 0.3 mm | 7 | |
| Aug. 14 | Moderate or heavy rain shower | 27° /15° | 6.6 mm | 6 | |
| Aug. 15 | Patchy rain possible | 27° /16° | 3.5 mm | 6 | |
| Aug. 16 | Overcast | 31° /17° | 4.8 mm | 7 | |
| Aug. 17 | Moderate or heavy rain shower | 26° /18° | 6.6 mm | 6 | |
| Aug. 18 |  Sunny | 26° /16° | 1.3 mm | 6 | |
| Aug. 19 | Sunny | 27° /17° | 0 mm | 6 | |
| Aug. 20 | Sunny | 29° /17° | 0 mm | 7 | |
| Aug. 21 | Cloudy | 26° /15° | 0 mm | 6 | |
| Aug. 22 | Overcast | 28° /16° | 0 mm | 6 | |
| Aug. 23 | Overcast | 32° /16° | 0 mm | 7 | |
| Aug. 24 | Cloudy | 31° /16° | 0 mm | 6 | |
| Aug. 25 | Patchy rain possible | 28° /15° | 3 mm | 6 | |
| Aug. 26 | Fog | 28° /13° | 0.3 mm | 6 | |
| Aug. 27 | Mist | 28° /15° | 0 mm | 6 | |
| Aug. 28 | Fog | 27° /14° | 2 mm | 6 | |
| Aug. 29 | Light rain shower | 29° /14° | 0.6 mm | 6 | |
| Aug. 30 | Overcast | 27° /15° | 2.8 mm | 6 | |
| Aug. 31 | Fog | 26° /13° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Will 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 Will County forecast closer to your planned date for the most up-to-date weather information.
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Will County in August - FAQ
What are the expected maximum and minimum temperatures in Will County during August?
During August, expect a variety of temperatures with highs around 28° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Will County during August?
Moderate rainfall is anticipated in Will County during August, with a total of 81.8 mm spread over approximately 15 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Will County during August?
The average wind speed in Will County during August is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Will County
Explore the daily rainfall trends and prepare for Will Countys August weather 💧
UV exposure in Will County during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Where is Will County?Get accurate weather forecasts for Will County, located at latitude 41.525 and longitude -88.083. Stay updated with localized weather information tailored for Will County.
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