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