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Monthly
Forecasts
Current
Hourly
7 Days
14 Days
Monthly
°C
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Chillicothe, IL
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Daily Historical Averages
January 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
15°
9
8°
10
3°
11
-1°
12
6°
13
7°
14
2°
15
-1°
16
0°
17
-3°
18
-3°
19
-5°
20
-4°
21
-3°
22
-3°
23
24
25
26
27
28
29
30
31
Forecast
Thursday, January 8, 2026
Day
15°
Feels 13
Wind
40 km/h S
Gust
60 km/h
Humidity
76%
P.O.P
100%
Rain
10-15 mm
Night
7°
Feels 2
Wind
41 km/h S
Gust
62 km/h
Humidity
94%
P.O.P
80%
Rain
1-3 mm
Historical Averages
Jan 8
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
January
Average Temperature
High
0°
Feels -3
Low
-8°
Feels -14
Average Precipitation
6 Days
Rain amount
18.7mm
Snow amount
17.2cm