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St. Louis, Missouri Weather:
Tuesday, January 20, 2026
Cloudy Weather
Day 41°
Night 32°
Precipitation 0 %
Wind 12 mph
UV Index (0 - 11+) 3
Weather Forecast History
Last Year's Weather on This Day (January 20, 2025)
Cold Day

Day

19°

Night

3°

Wind

6 mph

UV Index

3

Precipitation

3 %