❮
Today Tomorrow Hourly 7 days 30 days January
❯
Naperville, Illinois Weather:
Wednesday, January 21, 2026
Sunny Weather
Day 27°
Night 16°
Precipitation 1 %
Wind 5 mph
UV Index (0 - 11+) 2
Weather Forecast History
Last Year's Weather on This Day (January 21, 2025)
Cold Day

Day

5°

Night

0°

Wind

12 mph

UV Index

2

Precipitation

1 %