St. Peters, Missouri Weather:
Monday, October 5, 2026
Cloudy Weather
Day 81°
Night 55°
Precipitation 6 %
Wind 6 mph
Weather Forecast History
Last Year's Weather on This Day (October 5, 2025)
Sunny Weather

Day

86°

Night

63°

Wind

8 mph

UV Index

40

Precipitation

0 %