St. Peters, Missouri Weather:
Thursday, October 22, 2026
Cloudy Weather
Day 61°
Night 41°
Precipitation 1 %
Wind 4 mph
Weather Forecast History
Last Year's Weather on This Day (October 22, 2025)
Sunny Weather

Day

64°

Night

37°

Wind

12 mph

UV Index

40

Precipitation

0 %