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Naperville, Illinois Weather:
Sunday, August 17, 2025
Sunny with a Chance of ThunderstormsSunny weather with a possibility of isolated thunderstorms developing later in the day.
Day 93°
Night 72°
Precipitation 65 %
Wind 6 mph
UV Index (0 - 11+) 11

Weather Forecast History

Last Year's Weather on This Day (August 17, 2024)

Sunny with a Chance of ThunderstormsSunny weather with a possibility of isolated thunderstorms developing later in the day.

Day

82°

Night

66°

Wind

12 mph

UV Index

5

Precipitation

80