St. Peters, Missouri Weather:
Monday, December 28, 2026
Cloudy Weather
Day 36°
Night 18°
Precipitation 8 %
Wind 22 mph
Weather Forecast History
Last Year's Weather on This Day (December 28, 2025)
Partly Sunny with Showers

Day

73°

Night

16°

Wind

16 mph

UV Index

2

Precipitation

65 %