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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
Chatham, IL
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January
Average Temperature
High
1°
Feels -2
Low
-7°
Feels -13
Average Precipitation
6 Days
Rain amount
24.8mm
Snow amount
10cm
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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
9°
13
11°
14
2°
15
-2°
16
4°
17
-6°
18
-1°
19
-5°
20
-6°
21
3°
22
6°
23
-1°
24
-6°
25
-5°
26
1°
27
28
29
30
31
Forecast
Monday, January 12, 2026
Day
9°
Feels 7
Wind
19 km/h SW
Gust
28 km/h
Humidity
34%
P.O.P
20%
Night
2°
Feels -2
Wind
21 km/h SW
Gust
32 km/h
Humidity
75%
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.