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Naperville, Illinois Weather:
Sunday, January 4, 2026
Cloudy Weather
Day 34°
Night 18°
Precipitation 49 %
Wind 7 mph
UV Index (0 - 11+) 1
Weather Forecast History
Last Year's Weather on This Day (January 4, 2025)
Cloudy Weather

Day

23°

Night

14°

Wind

11 mph

UV Index

2

Precipitation

0 %