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Joliet, Illinois Weather:
Tuesday, January 20, 2026
Cold Day
Day 18°
Night 12°
Precipitation 7 %
Wind 12 mph
UV Index (0 - 11+) 2
Weather Forecast History
Last Year's Weather on This Day (January 20, 2025)
Cold Day

Day

12°

Night

-6°

Wind

12 mph

UV Index

2

Precipitation

1 %