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Monthly
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Current
Hourly
7 Days
14 Days
Monthly
°C
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Saint Charles, IL
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January
Average Temperature
High
-2°
Feels -6
Low
-10°
Feels -16
Average Precipitation
6 Days
Rain amount
4.1mm
Snow amount
18.1cm
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Daily Historical Averages
January 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
3°
11
0°
12
6°
13
10°
14
0°
15
-2°
16
0°
17
-6°
18
-7°
19
-6°
20
-5°
21
-2°
22
1°
23
1°
24
-2°
25
26
27
28
29
30
31
Forecast
Saturday, January 10, 2026
Day
3°
Feels -2
Wind
25 km/h W
Gust
38 km/h
Humidity
69%
P.O.P
90%
Snow
~1 cm
Rain
<1 mm
Night
-6°
Feels -14
Wind
27 km/h W
Gust
41 km/h
Humidity
86%
P.O.P
40%
Snow
<1 cm
Historical Averages
Jan 10
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.