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