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St. Louis, Missouri Weather:
Friday, September 19, 2025
Sunny with a Chance of ThunderstormsSunny weather with a possibility of isolated thunderstorms developing later in the day.
Day 81°
Night 61°
Precipitation 61 %
Wind 7 mph
UV Index (0 - 11+) 11

Weather Forecast History

Last Year's Weather on This Day (September 19, 2024)

Sunny WeatherSunny weather, clear skies and sunny weather.

Day

91°

Night

70°

Wind

4 mph

UV Index

5

Precipitation

1