S
M
T
W
T
F
S
29
46°
33°
30
46°
29°
1
44°
26°
2
40°
32°
3
43°
31°
4
44°
29°
5
43°
30°
6
43°
31°
7
45°
26°
8
43°
25°
9
40°
26°
10
38°
23°
11
35°
23°
12
35°
20°
13
34°
15°
14
29°
16°
15
26°
16°
16
31°
13°
17
35°
6°
18
35°
9°
19
20°
19°
20
27°
21°
21
33°
22°
22
30°
21°
23
33°
22°
24
32°
23°
25
34°
20°
26
33°
21°
27
Hist. Avg.
29°
15°
28
Hist. Avg.
29°
15°
29
Hist. Avg.
29°
15°
30
Hist. Avg.
29°
14°
31
Hist. Avg.
28°
14°
1
Hist. Avg.
28°
14°
2
Hist. Avg.
28°
14°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Madison
Madison's December 2026 forecast shows daily high temperatures ranging from 20° to 46°, with overnight lows between 6° and 33°. The average high for December is 36° 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.
