St. Peters, Missouri Weather:
Wednesday, December 16, 2026
Cloudy Weather
Day 41°
Night 28°
Precipitation 0 %
Wind 7 mph
Weather Forecast History
Last Year's Weather on This Day (December 16, 2025)
Cloudy Weather

Day

55°

Night

32°

Wind

9 mph

UV Index

2

Precipitation

0 %