St. Peters, Missouri Weather:
Wednesday, December 23, 2026
Cloudy Weather
Day 39°
Night 25°
Precipitation 25 %
Wind 4 mph
Weather Forecast History
Last Year's Weather on This Day (December 23, 2025)
Cloudy Weather

Day

66°

Night

45°

Wind

6 mph

UV Index

2

Precipitation

25 %