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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
Deerfield, IL
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Daily Historical Averages
January 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
9°
8
10°
9
4°
10
3°
11
-1°
12
4°
13
3°
14
1°
15
0°
16
2°
17
-2°
18
-6°
19
-4°
20
-2°
21
-2°
22
23
24
25
26
27
28
29
30
31
Forecast
Wednesday, January 7, 2026
Day
9°
Feels 7
Wind
14 km/h S
Gust
21 km/h
Humidity
57%
P.O.P
20%
Night
3°
Feels -1
Wind
19 km/h S
Gust
29 km/h
Humidity
87%
P.O.P
20%
Historical Averages
Jan 7
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 -15
Average Precipitation
8 Days
Rain amount
7mm
Snow amount
28.5cm