St. Louis, Missouri Weather:
Saturday, July 18, 2026
Cloudy Weather
Day 91°
Night 75°
Precipitation 25 %
Wind 9 mph
UV Index (0 - 11+) 11
Weather Forecast History
Last Year's Weather on This Day (July 18, 2025)
Stormy Weather

Day

88°

Night

73°

Wind

4 mph

UV Index

10

Precipitation

70 %