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Naperville, Illinois Weather:
Thursday, August 21, 2025
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 81°
Night 59°
Precipitation 1 %
Wind 6 mph
UV Index (0 - 11+) 11

Weather Forecast History

Last Year's Weather on This Day (August 21, 2024)

Cloudy WeatherCloudy weather, overcast skies with clouds.

Day

75°

Night

52°

Wind

4 mph

UV Index

8

Precipitation

1