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Naperville, Illinois Weather:
Monday, January 12, 2026
Sunny Weather
Day 19°
Night 3°
Precipitation 20 %
Wind 9 mph
UV Index (0 - 11+) 2
Weather Forecast History
Last Year's Weather on This Day (January 12, 2025)
Icy Road Conditions

Day

34°

Night

12°

Wind

15 mph

UV Index

1

Precipitation

90 %