St. Louis, Missouri Weather:
Wednesday, July 15, 2026
Sunny with a Chance of Thunderstorms
Day 91°
Night 75°
Precipitation 40 %
Wind 4 mph
Weather Forecast History
Last Year's Weather on This Day (July 15, 2025)
Sunny with a Chance of Thunderstorms

Day

91°

Night

73°

Wind

6 mph

UV Index

11

Precipitation

65 %