St. Peters, Missouri Weather:
Saturday, October 3, 2026
Cloudy Weather
Day 81°
Night 57°
Precipitation 2 %
Wind 4 mph
Weather Forecast History
Last Year's Weather on This Day (October 3, 2025)
Cloudy Weather

Day

90°

Night

61°

Wind

6 mph

UV Index

50

Precipitation

4 %