S
M
T
W
T
F
S
29
64°
47°
30
67°
45°
1
67°
47°
2
68°
35°
3
66°
32°
4
55°
29°
5
51°
28°
6
49°
28°
7
49°
30°
8
51°
30°
9
49°
29°
10
46°
25°
11
46°
26°
12
47°
31°
13
47°
27°
14
48°
25°
15
46°
26°
16
46°
27°
17
47°
35°
18
50°
40°
19
55°
43°
20
60°
42°
21
62°
43°
22
60°
46°
23
62°
44°
24
64°
42°
25
62°
40°
26
58°
43°
27
61°
42°
28
60°
44°
29
60°
43°
30
62°
40°
31
62°
33°
1
58°
29°
2
50°
32°
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 46° to 68°, with overnight lows between 25° and 47°. The average high for December is 56° with an average low of 36°. 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.
