St. Peters, Missouri Weather:
Wednesday, October 7, 2026
Cloudy Weather
Day 79°
Night 55°
Precipitation 1 %
Wind 6 mph
Weather Forecast History
Last Year's Weather on This Day (October 7, 2025)
Rainy Weather

Day

70°

Night

50°

Wind

9 mph

UV Index

10

Precipitation

49 %