St. Peters, Missouri Weather:
Tuesday, October 6, 2026
Cloudy Weather
Day 81°
Night 57°
Precipitation 55 %
Wind 6 mph
Weather Forecast History
Last Year's Weather on This Day (October 6, 2025)
Sunny with a Chance of Thunderstorms

Day

84°

Night

64°

Wind

4 mph

UV Index

40

Precipitation

55 %