St. Louis, Missouri Weather:
Thursday, June 18, 2026
Rainy Weather
Day 88°
Night 66°
Precipitation 73 %
Wind 2 mph
UV Index (0 - 11+) 7
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 %