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Naperville, Illinois Weather:
Sunday, January 18, 2026
Snowy Weather
Day 37°
Night 9°
Precipitation 69 %
Wind 14 mph
UV Index (0 - 11+) 1
Weather Forecast History
Last Year's Weather on This Day (January 18, 2025)
Cloudy Weather

Day

30°

Night

9°

Wind

15 mph

UV Index

2

Precipitation

0 %