Joliet (IL)
August
Weather in Joliet, Illinois for August 2027
Your guide to Joliet weather in August - trends and predictions
In general, the average temperature in Joliet 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 Joliet 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 Joliet? check out the best time to travel to Joliet page.
✨ Is August a good time to visit Joliet? – Ask the AI Weatherman
Temperatures
Rain 🌧️
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20
Dry days
11
Rainy days
0
Snow days
28°/17°
Temperatures
17 km/h
Avg max wind
76 %
Avg humidity
Joliet Weather August
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Temperatures trend during August in Joliet
See the weather trend as well as the moving average line
August weather in Joliet 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 | |
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Important Notice
Our weather forecast for Joliet 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 Joliet forecast closer to your planned date for the most up-to-date weather information.
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Joliet in August - FAQ
What are the expected maximum and minimum temperatures in Joliet 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 Joliet during August?
Significant rainfall exceeding 149.7 mm is expected in Joliet during August, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Joliet during August?
The average wind speed in Joliet during August is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Joliet
Explore the daily rainfall trends and prepare for Joliets August weather 💧
Typically, Joliet has 11 rainy days in August with a total of 149.7 mm of rainfall.
UV exposure in Joliet during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Where is Joliet?Get accurate weather forecasts for Joliet, located at latitude 41.525 and longitude -88.083. Stay updated with localized weather information tailored for Joliet.
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