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Current
Hourly
7 Days
14 Days
Monthly
°C
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Bethalto, IL
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January
Average Temperature
High
3°
Feels 0
Low
-5°
Feels -10
Average Precipitation
6 Days
Rain amount
33.5mm
Snow amount
11.4cm
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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
11
12
12°
13
13°
14
4°
15
-2°
16
5°
17
-4°
18
2°
19
-2°
20
-4°
21
5°
22
8°
23
1°
24
-3°
25
-3°
26
1°
27
28
29
30
31
Forecast
Monday, January 12, 2026
Day
12°
Feels 11
Wind
15 km/h SW
Gust
23 km/h
Humidity
32%
P.O.P
20%
Night
2°
Feels -2
Wind
14 km/h SW
Gust
21 km/h
Humidity
74%
P.O.P
20%
Historical Averages
Jan 12
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.