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Naperville, Illinois Weather:
Friday, July 18, 2025
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 88°
Night 66°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 10

Weather Forecast History

Last Year's Weather on This Day (July 18, 2024)

Day

75°

Night

57°