S
M
T
W
T
F
S
29
56°
46°
30
64°
46°
1
63°
45°
2
63°
42°
3
53°
36°
4
55°
37°
5
60°
44°
6
60°
40°
7
52°
38°
8
50°
35°
9
51°
38°
10
51°
33°
11
50°
31°
12
50°
32°
13
54°
31°
14
53°
31°
15
53°
40°
16
52°
39°
17
56°
40°
18
61°
34°
19
56°
29°
20
50°
26°
21
48°
27°
22
49°
31°
23
51°
32°
24
48°
29°
25
48°
27°
26
49°
29°
27
49°
28°
28
50°
28°
29
51°
35°
30
54°
33°
31
57°
29°
1
48°
25°
2
47°
24°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Winetka
Winetka's December 2026 forecast shows daily high temperatures ranging from 47° to 64°, with overnight lows between 24° and 46°. The average high for December is 53° with an average low of 34°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how December weather will actually feel in Winetka. See also: January | February | March.
