S
M
T
W
T
F
S
29
69°
47°
30
66°
48°
1
68°
44°
2
55°
36°
3
54°
33°
4
55°
37°
5
61°
43°
6
56°
36°
7
53°
36°
8
51°
32°
9
51°
34°
10
50°
32°
11
51°
32°
12
52°
33°
13
57°
34°
14
54°
36°
15
55°
41°
16
56°
36°
17
57°
36°
18
61°
34°
19
53°
29°
20
51°
29°
21
50°
30°
22
52°
32°
23
52°
33°
24
49°
30°
25
50°
29°
26
49°
30°
27
51°
29°
28
51°
29°
29
52°
35°
30
52°
32°
31
51°
30°
1
49°
27°
2
48°
29°
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 27° and 48°. The average high for December is 54° with an average low of 34°. 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.
