St. Louis, Missouri Weather:
Monday, June 15, 2026
Cloudy Weather
Day 84°
Night 64°
Precipitation 2 %
Wind 2 mph
UV Index (0 - 11+) 11
Weather Forecast History
Last Year's Weather on This Day (June 15, 2025)
Cloudy Weather

Day

84°

Night

70°

Wind

6 mph

UV Index

8

Precipitation

4 %