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Joliet, Illinois Weather:
Friday, February 20, 2026
Cloudy Weather
Day 28°
Night 16°
Precipitation 25 %
Wind 1 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 %