St. Louis, Missouri Weather:
Thursday, September 3, 2026
Cloudy Weather
Day 88°
Night 66°
Precipitation 4 %
Wind 6 mph
UV Index (0 - 11+) 7
Weather Forecast History
Last Year's Weather on This Day (September 3, 2025)
Stormy Weather

Day

86°

Night

57°

Wind

7 mph

Precipitation

86 %