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Naperville, Illinois Weather:
Monday, January 19, 2026
Cold Day
Day 16°
Night 0°
Precipitation 18 %
Wind 13 mph
UV Index (0 - 11+) 1
Weather Forecast History
Last Year's Weather on This Day (January 19, 2025)
Cold Day

Day

9°

Night

0°

Wind

14 mph

UV Index

2

Precipitation

1 %