S
M
T
W
T
F
S
29
48°
43°
30
56°
38°
1
61°
35°
2
49°
42°
3
54°
36°
4
58°
33°
5
51°
38°
6
51°
43°
7
57°
40°
8
59°
34°
9
56°
38°
10
47°
39°
11
50°
41°
12
56°
39°
13
56°
39°
14
51°
40°
15
54°
39°
16
57°
30°
17
57°
30°
18
44°
29°
19
48°
30°
20
45°
39°
21
53°
37°
22
56°
39°
23
54°
39°
24
54°
38°
25
53°
32°
26
53°
29°
27
46°
33°
28
47°
32°
29
50°
27°
30
46°
29°
31
45°
37°
1
55°
21°
2
57°
19°
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 44° to 61°, with overnight lows between 19° and 43°. The average high for December is 52° 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.
