St. Peters, Missouri Weather:
Thursday, December 3, 2026
Cloudy Weather
Day 45°
Night 34°
Precipitation 55 %
Wind 9 mph
Weather Forecast History
Last Year's Weather on This Day (December 3, 2025)
Partly Sunny with Showers

Day

39°

Night

16°

Wind

7 mph

UV Index

1

Precipitation

49 %