St. Louis, Missouri Weather:
Wednesday, August 12, 2026
Cloudy Weather
Day 91°
Night 73°
Precipitation 55 %
Wind 5 mph
UV Index (0 - 11+) 8
Weather Forecast History
Last Year's Weather on This Day (August 12, 2025)
Stormy Weather

Day

91°

Night

70°

Wind

5 mph

Precipitation

49 %