St. Peters, Missouri Weather:
Thursday, October 15, 2026
Cloudy Weather
Day 75°
Night 54°
Precipitation 10 %
Wind 4 mph
Weather Forecast History
Last Year's Weather on This Day (October 15, 2025)
Cloudy Weather

Day

84°

Night

59°

Wind

4 mph

UV Index

30

Precipitation

25 %