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7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
St. Charles County Airport, MO
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October
Average Temperature
High
20°
Feels 20
Low
9°
Feels 8
Average Precipitation
9 Days
Rain amount
59.2mm
Snow amount
0.1cm
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Daily Historical Averages
October 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
18°
19
20°
20
22°
21
23°
22
24°
23
23°
24
25°
25
26°
26
26°
27
26°
28
26°
29
26°
30
26°
31
25°
Forecast
Sunday, October 18, 2026
Day
18°
Feels 18
Wind
14 km/h S
Gust
21 km/h
Humidity
37%
P.O.P
0%
Night
5°
Feels 5
Wind
9 km/h SE
Gust
13 km/h
Humidity
100%
P.O.P
0%
Historical Averages
Oct 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.