St. Peters, Missouri Weather:
Tuesday, December 29, 2026
Cloudy Weather
Day 34°
Night 23°
Precipitation 0 %
Wind 15 mph
Weather Forecast History
Last Year's Weather on This Day (December 29, 2025)
Windy Weather

Day

28°

Night

19°

Wind

20 mph

UV Index

1

Precipitation

25 %