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Joliet, Illinois Weather:
Friday, February 20, 2026
Cloudy Weather
Day 37°
Night 27°
Precipitation 55 %
Wind 15 mph
UV Index (0 - 11+) 1
Weather Forecast History
Last Year's Weather on This Day (February 20, 2025)
Cold Day

Day

23°

Night

5°

Wind

9 mph

UV Index

3

Precipitation

9 %