S
M
T
W
T
F
S
29
54°
34°
30
55°
42°
1
57°
47°
2
56°
47°
3
56°
46°
4
58°
47°
5
56°
46°
6
57°
41°
7
62°
43°
8
54°
37°
9
53°
32°
10
52°
39°
11
69°
36°
12
69°
31°
13
67°
30°
14
51°
31°
15
52°
30°
16
53°
31°
17
52°
42°
18
55°
46°
19
66°
46°
20
67°
44°
21
67°
43°
22
65°
48°
23
69°
38°
24
68°
29°
25
67°
28°
26
48°
29°
27
50°
32°
28
56°
44°
29
63°
45°
30
65°
46°
31
66°
48°
1
67°
39°
2
67°
30°
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 48° to 69°, with overnight lows between 28° and 48°. The average high for December is 60° with an average low of 39°. 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.
