S
M
T
W
T
F
S
29
47°
27°
30
41°
20°
1
32°
14°
2
31°
15°
3
35°
26°
4
38°
26°
5
34°
25°
6
34°
19°
7
30°
17°
8
30°
21°
9
37°
21°
10
42°
24°
11
41°
24°
12
43°
23°
13
42°
24°
14
36°
21°
15
36°
21°
16
37°
19°
17
35°
12°
18
34°
10°
19
33°
5°
20
27°
5°
21
24°
17°
22
35°
18°
23
36°
10°
24
36°
5°
25
31°
19°
26
32°
19°
27
36°
18°
28
36°
17°
29
35°
14°
30
35°
11°
31
32°
2°
1
27°
2°
2
23°
13°
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 23° to 47°, with overnight lows between 2° and 27°. The average high for December is 35° with an average low of 17°. 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.
