S
M
T
W
T
F
S
26
57°
39°
27
55°
40°
28
56°
37°
29
59°
41°
30
55°
39°
1
55°
37°
2
60°
39°
3
55°
38°
4
54°
35°
5
55°
34°
6
59°
38°
7
63°
42°
8
59°
38°
9
59°
40°
10
61°
38°
11
58°
36°
12
57°
37°
13
57°
37°
14
58°
38°
15
59°
38°
16
61°
39°
17
61°
46°
18
62°
39°
19
60°
39°
20
62°
41°
21
64°
46°
22
67°
49°
23
68°
51°
24
72°
51°
25
73°
48°
26
64°
48°
27
73°
52°
28
75°
50°
29
74°
51°
30
75°
47°
31
68°
47°
1
66°
46°
2
71°
49°
3
76°
53°
4
76°
54°
5
77°
54°
6
69°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Madison
Madison's May 2026 forecast shows daily high temperatures ranging from 54° to 77°, with overnight lows between 34° and 54°. The average high for May is 63° with an average low of 43°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Madison. See also: June | July | August.
