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Naperville, Illinois Weather:
Friday, September 19, 2025
Sunny with a Chance of ThunderstormsSunny weather with a possibility of isolated thunderstorms developing later in the day.
Day 70°
Night 54°
Precipitation 65 %
Wind 9 mph
UV Index (0 - 11+) 11

Weather Forecast History

Last Year's Weather on This Day (September 19, 2024)

Sunny WeatherSunny weather, clear skies and sunny weather.

Day

90°

Night

64°

Wind

6 mph

UV Index

5

Precipitation

1