S
M
T
W
T
F
S
29
61°
40°
30
65°
35°
1
63°
36°
2
59°
33°
3
59°
41°
4
61°
40°
5
61°
40°
6
55°
43°
7
56°
38°
8
62°
36°
9
59°
37°
10
51°
42°
11
56°
42°
12
59°
41°
13
63°
41°
14
62°
42°
15
57°
38°
16
65°
27°
17
62°
27°
18
52°
28°
19
54°
30°
20
49°
39°
21
55°
35°
22
60°
41°
23
58°
43°
24
60°
35°
25
60°
26°
26
59°
26°
27
50°
36°
28
54°
36°
29
58°
32°
30
54°
37°
31
53°
24°
1
65°
23°
2
62°
21°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Madison
Madison's December 2026 forecast shows daily high temperatures ranging from 49° to 65°, with overnight lows between 21° and 43°. The average high for December is 58° with an average low of 35°. 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 Madison. See also: January | February | March.
