St. Peters, Missouri Weather:
Thursday, October 29, 2026
Sunny Weather
Day 57°
Night 37°
Precipitation 1 %
Wind 8 mph
Weather Forecast History
Last Year's Weather on This Day (October 29, 2025)
Rainy Weather

Day

55°

Night

39°

Wind

15 mph

UV Index

2

Precipitation

90 %