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Naperville, Illinois Weather:
Thursday, January 15, 2026
Snowy Weather
Day 34°
Night 16°
Precipitation 60 %
Wind 9 mph
UV Index (0 - 11+) 2
Weather Forecast History
Last Year's Weather on This Day (January 15, 2025)
Cold Day

Day

19°

Night

18°

Wind

9 mph

UV Index

2

Precipitation

0 %