St. Louis, Missouri Weather:
Tuesday, September 1, 2026
Cloudy Weather
Day 88°
Night 66°
Precipitation 8 %
Wind 6 mph
UV Index (0 - 11+) 7
Weather Forecast History
Last Year's Weather on This Day (September 1, 2025)
Cloudy Night

Day

82°

Night

61°

Wind

5 mph

Precipitation

25 %