Monthly Historical AveragesSt. Charles County Airport, MO
Average Temperature
High
14°
Feels 13
Low
3°
Feels 0
Average Precipitation
11 Days
82.9mm
4.4cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastSaturday, March 7, 2026
Day
17°Feels 16
Wind
26 km/h W
Gust
39 km/h
Humidity
49%
P.O.P
40%
Rain
~1 mm
Night
1°Feels -1
Wind
18 km/h W
Gust
27 km/h
Humidity
84%
P.O.P
20%
Historical AveragesMar 7
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity