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Weather in Joliet for August 2025

Your guide to Joliet weather in August - trends and predictions
  • In general, the average temperature in Joliet at the beginning of August is 27.7 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 30.1 °F by the end of August.

  • The climate of Joliet in August is notably wet, with an average of 15 rainy days.

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Average dry days
16
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
29°/16°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
71 %
Avg humidity

Joliet in August average weather

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Temperatures trend during August in Joliet

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 Patchy rain possible
Patchy rain possible
30° /19° 2.4 mm 7
Aug. 2 Partly cloudy
Partly cloudy
28° /18° 0.1 mm 7
Aug. 3 Overcast
Overcast
30° /19° 2.3 mm 7
Aug. 4 Patchy rain possible
Patchy rain possible
30° /17° 0.3 mm 7
Aug. 5 Moderate or heavy rain shower
Moderate or heavy rain shower
27° /19° 12.4 mm 6
Aug. 6 Patchy rain possible
Patchy rain possible
24° /18° 2.1 mm 6
Aug. 7 Moderate rain at times
Moderate rain at times
25° /16° 3.3 mm 6
Aug. 8 Patchy rain possible
Patchy rain possible
26° /14° 0.2 mm 6
Aug. 9 Patchy rain possible
Patchy rain possible
24° /13° 1.3 mm 6
Aug. 10 Patchy rain possible
Patchy rain possible
25° /12° 10 mm 6
Aug. 11 Patchy rain possible
Patchy rain possible
27° /14° 0.5 mm 6
Aug. 12 Cloudy
Cloudy
24° /16° 4.2 mm 6
Aug. 13 Patchy rain possible
Patchy rain possible
28° /15° 0.4 mm 7
Aug. 14 Moderate or heavy rain shower
Moderate or heavy rain shower
25° /16° 9.9 mm 6
Aug. 15 Patchy rain possible
Patchy rain possible
24° /16° 5.2 mm 5
Aug. 16 Overcast
Overcast
28° /15° 5.4 mm 6
Aug. 17 Moderate or heavy rain shower
Moderate or heavy rain shower
25° /16° 8.4 mm 6
Aug. 18 Sunny
Sunny
25° /14° 0.1 mm 6
Aug. 19 Sunny
Sunny
27° /14° 0 mm 6
Aug. 20 Sunny
Sunny
29° /17° 0 mm 7
Aug. 21 Cloudy
Cloudy
27° /15° 0 mm 7
Aug. 22 Overcast
Overcast
29° /15° 0 mm 7
Aug. 23 Overcast
Overcast
33° /17° 0 mm 8
Aug. 24 Cloudy
Cloudy
34° /19° 0.1 mm 7
Aug. 25 Patchy rain possible
Patchy rain possible
32° /19° 4.5 mm 7
Aug. 26 Fog
Fog
31° /17° 0.4 mm 7
Aug. 27 Mist
Mist
31° /18° 0 mm 7
Aug. 28 Fog
Fog
29° /15° 3 mm 6
Aug. 29 Light rain shower
Light rain shower
31° /15° 0.9 mm 7
Aug. 30 Overcast
Overcast
29° /16° 4.2 mm 7
Aug. 31 Fog
Fog
28° /13° 0 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.

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 29° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Joliet during August?
Moderate rainfall is anticipated in Joliet during August, with a total of 90.9 mm spread over approximately 15 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Joliet during August?
The average wind speed in Joliet during August is 19 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 💧

UV exposure in Joliet during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️

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Location coordinates 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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