St. Peters, Missouri Weather:
Friday, October 16, 2026
Cloudy Weather
Day 61°
Night 37°
Precipitation 8 %
Wind 16 mph
UV Index (0 - 11+) 4
Weather Forecast History
Last Year's Weather on This Day (October 16, 2025)
Cloudy Weather

Day

84°

Night

61°

Wind

7 mph

UV Index

40

Precipitation

4 %