Will County (Joliet)
August
Weather in Will County, Illinois for August 2027
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 27.5 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 27.9 °C by the end of August.
The climate of Will County in August is notably wet, with an average of 11 rainy days, and a total of 149.7 mm of precipitation.
Is August a good time to visit Will County? check out the best time to travel to Will County page.
✨ Is August a good time to visit Will County? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
20
Dry days
11
Rainy days
0
Snow days
28°/17°
Temperatures
17 km/h
Avg max wind
76 %
Avg humidity
Will County Weather August
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Temperatures trend during August in Will County
See the weather trend as well as the moving average line
August weather in Will County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Moderate rain | 27° /18° | 11.9 mm | 6 | |
| Aug. 2 |  Fog | 27° /17° | 0.5 mm | 8 | |
| Aug. 3 |  Patchy rain possible | 29° /17° | 1.2 mm | 8 | |
| Aug. 4 | Patchy rain possible | 29° /17° | 0.2 mm | 8 | |
| Aug. 5 |  Moderate or heavy rain shower | 27° /19° | 8.9 mm | 7 | |
| Aug. 6 | Patchy rain possible | 26° /18° | 2.4 mm | 7 | |
| Aug. 7 | Patchy rain possible | 27° /18° | 1.8 mm | 7 | |
| Aug. 8 |  Light rain | 28° /18° | 3.1 mm | 7 | |
| Aug. 9 | Light rain | 28° /16° | 4.4 mm | 7 | |
| Aug. 10 | Moderate rain | 26° /17° | 18.3 mm | 6 | |
| Aug. 11 | Moderate rain | 27° /18° | 15.8 mm | 7 | |
| Aug. 12 | Moderate rain | 27° /19° | 15.5 mm | 6 | |
| Aug. 13 | Light rain | 28° /17° | 4.5 mm | 7 | |
| Aug. 14 | Moderate rain | 26° /17° | 12.4 mm | 6 | |
| Aug. 15 | Light rain | 27° /18° | 9.3 mm | 5 | |
| Aug. 16 | Light rain | 30° /18° | 7.3 mm | 6 | |
| Aug. 17 | Moderate or heavy rain shower | 26° /18° | 5 mm | 7 | |
| Aug. 18 | Patchy rain possible | 26° /17° | 2.3 mm | 6 | |
| Aug. 19 |  Sunny | 27° /18° | 0.8 mm | 5 | |
| Aug. 20 | Sunny | 28° /17° | 0 mm | 8 | |
| Aug. 21 |  Cloudy | 26° /16° | 0.2 mm | 7 | |
| Aug. 22 | Sunny | 28° /16° | 0 mm | 7 | |
| Aug. 23 |  Overcast | 30° /16° | 0 mm | 8 | |
| Aug. 24 | Cloudy | 29° /15° | 0 mm | 7 | |
| Aug. 25 | Patchy rain possible | 27° /15° | 2.3 mm | 7 | |
| Aug. 26 | Fog | 29° /14° | 0.3 mm | 5 | |
| Aug. 27 | Mist | 28° /16° | 0 mm | 7 | |
| Aug. 28 | Patchy rain possible | 28° /15° | 1.5 mm | 6 | |
| Aug. 29 | Light rain shower | 29° /14° | 0.4 mm | 6 | |
| Aug. 30 | Moderate rain | 27° /16° | 19.3 mm | 5 | |
| Aug. 31 | Fog | 29° /16° | 0.3 mm | 6 | |
| Next | |||||
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 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Will County during August?
Significant rainfall exceeding 149.7 mm is expected in Will County during August, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Will County during August?
The average wind speed in Will County during August is 17 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 💧
Typically, Will County has 11 rainy days in August with a total of 149.7 mm of rainfall.
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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