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Hourly
7 Days
14 Days
Monthly
°C
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°Celsius
°Fahrenheit
Monthly Historical Averages
Winnetka, IL
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January
Average Temperature
High
-1°
Feels -5
Low
-8°
Feels -14
Average Precipitation
8 Days
Rain amount
11mm
Snow amount
27.9cm
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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
7°
10
2°
11
-1°
12
3°
13
6°
14
1°
15
-3°
16
-1°
17
-3°
18
-5°
19
-7°
20
-7°
21
-5°
22
-4°
23
-4°
24
25
26
27
28
29
30
31
Forecast
Friday, January 9, 2026
Day
7°
Feels 4
Wind
44 km/h NW
Gust
66 km/h
Humidity
66%
P.O.P
40%
Rain
<1 mm
Night
1°
Feels -3
Wind
13 km/h SE
Gust
20 km/h
Humidity
93%
P.O.P
60%
Snow
<1 cm
Historical Averages
Jan 9
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.