S
M
T
W
T
F
S
26
57°
40°
27
56°
41°
28
53°
34°
29
63°
31°
30
57°
37°
1
57°
32°
2
71°
30°
3
74°
46°
4
72°
42°
5
56°
35°
6
61°
27°
7
70°
35°
8
79°
43°
9
71°
37°
10
74°
30°
11
87°
42°
12
80°
49°
13
81°
39°
14
85°
56°
15
94°
54°
16
87°
48°
17
84°
52°
18
52°
46°
19
62°
36°
20
62°
33°
21
70°
47°
22
73°
48°
23
79°
45°
24
86°
46°
25
88°
59°
26
87°
56°
27
84°
60°
28
79°
62°
29
75°
57°
30
78°
56°
31
77°
53°
1
78°
50°
2
80°
54°
3
80°
56°
4
80°
58°
5
81°
58°
6
80°
56°
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 75° to 88°, with overnight lows between 50° and 62°. The average high for May is 81° with an average low of 57°. 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.
