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Weather in Naperville for August 2025

Your guide to Naperville weather in August - trends and predictions
  • In general, the average temperature in Naperville at the beginning of August is 27.6 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 29.3 °F by the end of August.

  • The climate of Naperville in August is notably wet, with an average of 12 rainy days.

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Average dry days
19
Dry days
Average rainy days
12
Rainy days
Average snowy days
0
Snow days
Average temperatures
29°/17°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
68 %
Avg humidity

Naperville in August average weather

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Temperatures trend during August in Naperville

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° 4.1 mm 7
Aug. 2 Cloudy
Cloudy
28° /19° 0.1 mm 6
Aug. 3 Overcast
Overcast
30° /20° 1.7 mm 7
Aug. 4 Moderate rain at times
Moderate rain at times
29° /18° 0.4 mm 7
Aug. 5 Moderate or heavy rain shower
Moderate or heavy rain shower
28° /19° 4.6 mm 6
Aug. 6 Patchy rain possible
Patchy rain possible
23° /17° 4.8 mm 6
Aug. 7 Moderate rain at times
Moderate rain at times
25° /17° 1.7 mm 6
Aug. 8 Patchy rain possible
Patchy rain possible
26° /15° 0.1 mm 6
Aug. 9 Overcast
Overcast
25° /13° 0 mm 6
Aug. 10 Patchy rain possible
Patchy rain possible
25° /12° 2.2 mm 6
Aug. 11 Patchy rain possible
Patchy rain possible
26° /15° 0.4 mm 6
Aug. 12 Patchy rain possible
Patchy rain possible
24° /16° 4.2 mm 6
Aug. 13 Moderate rain at times
Moderate rain at times
28° /15° 0.7 mm 7
Aug. 14 Moderate or heavy rain shower
Moderate or heavy rain shower
25° /16° 9.7 mm 6
Aug. 15 Patchy rain possible
Patchy rain possible
24° /16° 5.9 mm 5
Aug. 16 Overcast
Overcast
27° /16° 7.1 mm 6
Aug. 17 Moderate or heavy rain shower
Moderate or heavy rain shower
24° /16° 9.3 mm 6
Aug. 18 Sunny
Sunny
26° /15° 0.1 mm 6
Aug. 19 Partly cloudy
Partly cloudy
27° /15° 0 mm 6
Aug. 20 Sunny
Sunny
29° /17° 0 mm 7
Aug. 21 Cloudy
Cloudy
26° /16° 0 mm 6
Aug. 22 Overcast
Overcast
29° /16° 0 mm 7
Aug. 23 Overcast
Overcast
32° /18° 0 mm 8
Aug. 24 Partly cloudy
Partly cloudy
34° /20° 0 mm 8
Aug. 25 Patchy rain possible
Patchy rain possible
31° /20° 5.7 mm 7
Aug. 26 Overcast
Overcast
31° /18° 0.6 mm 7
Aug. 27 Partly cloudy
Partly cloudy
30° /19° 0 mm 7
Aug. 28 Mist
Mist
29° /16° 0.9 mm 6
Aug. 29 Light rain shower
Light rain shower
30° /16° 2 mm 7
Aug. 30 Overcast
Overcast
27° /16° 2.2 mm 6
Aug. 31 Mist
Mist
27° /15° 0.1 mm 7
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Important Notice
Our weather forecast for Naperville 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 Naperville forecast closer to your planned date for the most up-to-date weather information.

Naperville in August - FAQ

What are the expected maximum and minimum temperatures in Naperville 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 Naperville during August?
Moderate rainfall is anticipated in Naperville during August, with a total of 59.2 mm spread over approximately 12 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Naperville during August?
The average wind speed in Naperville during August is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in Naperville

Explore the daily rainfall trends and prepare for Napervilles August weather 💧

UV exposure in Naperville during August

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

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Location coordinates Where is Naperville?

Get accurate weather forecasts for Naperville, located at latitude 41.786 and longitude -88.147. Stay updated with localized weather information tailored for Naperville.

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