Monthly Historical AveragesSaint Charles, MO
Average Temperature
High
20°
Feels 19
Low
8°
Feels 7
Average Precipitation
11 Days
121.4mm
0.1cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastFriday, April 3, 2026
Day
27°Feels 27
Wind
21 km/h S
Gust
31 km/h
Humidity
56%
P.O.P
90%
Rain
~1 mm
Night
13°Feels 12
Wind
21 km/h SW
Gust
32 km/h
Humidity
96%
P.O.P
90%
Rain
~5 mm
Historical AveragesApr 3
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity