St. Peters, Missouri Weather:
Friday, October 2, 2026
Cloudy Weather
Day 81°
Night 59°
Precipitation 8 %
Wind 4 mph
Weather Forecast History
Last Year's Weather on This Day (October 2, 2025)
Cloudy Weather

Day

88°

Night

64°

Wind

4 mph

UV Index

40

Precipitation

6 %