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St. Louis, Missouri Weather:
Thursday, August 21, 2025
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 84°
Night 70°
Precipitation 5 %
Wind 4 mph
UV Index (0 - 11+) 8

Weather Forecast History

Last Year's Weather on This Day (August 21, 2024)

Cloudy WeatherCloudy weather, overcast skies with clouds.

Day

77°

Night

54°

Wind

6 mph

UV Index

7

Precipitation

49