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7 Days
14 Days
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Monthly Historical Averages
Peru, Illinois Valley Regional-Walter A Duncan Field Airport, 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
9
10
11
12
13
14
15
16
17
18
19
20
-5°
21
-2°
22
-5°
23
-20°
24
-14°
25
-11°
26
-10°
27
-6°
28
-5°
29
-12°
30
-7°
31
-6°
Forecast
Tuesday, January 20, 2026
Day
-5°
Feels -11
Wind
18 km/h SW
Gust
27 km/h
Humidity
41%
P.O.P
30%
Night
-6°
Feels -12
Wind
24 km/h S
Gust
36 km/h
Humidity
80%
P.O.P
40%
Snow
~1 cm
Historical Averages
Jan 20
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
January
Average Temperature
High
-1°
Feels -5
Low
-9°
Feels -16
Average Precipitation
5 Days
Rain amount
9.6mm
Snow amount
12.7cm