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Joliet, Illinois Weather:
Saturday, January 31, 2026
Cold Day
Day 19°
Night 9°
Precipitation 25 %
Wind 4 mph
UV Index (0 - 11+) 1
Weather Forecast History
Last Year's Weather on This Day (January 31, 2025)
Rainy Weather

Day

41°

Night

28°

Wind

12 mph

UV Index

1

Precipitation

100 %