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Naperville, Illinois Weather:
Saturday, February 21, 2026
Cloudy Weather
Day 43°
Night 25°
Precipitation 3 %
Wind 14 mph
UV Index (0 - 11+) 2
Weather Forecast History
Last Year's Weather on This Day (February 21, 2025)
Cold Day

Day

28°

Night

9°

Wind

7 mph

UV Index

3

Precipitation

0 %