St. Louis, Missouri Weather:
Thursday, June 18, 2026
Cloudy Weather
Day 81°
Night 63°
Precipitation 55 %
Wind 11 mph
Weather Forecast History
Last Year's Weather on This Day (June 18, 2025)
Sunny with a Chance of Thunderstorms

Day

88°

Night

70°

Wind

14 mph

UV Index

10

Precipitation

60 %