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Naperville, Illinois Weather:
Monday, September 22, 2025
Sunny with a Chance of ThunderstormsSunny weather with a possibility of isolated thunderstorms developing later in the day.
Day 79°
Night 54°
Precipitation 64 %
Wind 5 mph
UV Index (0 - 11+) 11

Weather Forecast History

Last Year's Weather on This Day (September 22, 2024)

Stormy WeatherStormy weather, thunderstorms.

Day

72°

Night

57°

Wind

6 mph

UV Index

1

Precipitation

100