S
M
T
W
T
F
S
26
69°
42°
27
69°
51°
28
63°
48°
29
53°
35°
30
53°
31°
1
50°
31°
2
60°
28°
3
70°
46°
4
79°
40°
5
57°
36°
6
54°
32°
7
61°
30°
8
69°
34°
9
68°
44°
10
63°
33°
11
61°
33°
12
77°
42°
13
64°
41°
14
71°
33°
15
81°
55°
16
83°
60°
17
72°
54°
18
79°
58°
19
70°
47°
20
61°
44°
21
61°
49°
22
61°
49°
23
67°
52°
24
74°
56°
25
74°
55°
26
75°
57°
27
78°
58°
28
79°
57°
29
79°
58°
30
78°
59°
31
79°
59°
1
75°
53°
2
78°
57°
3
69°
53°
4
70°
53°
5
73°
58°
6
77°
60°
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 61° to 79°, with overnight lows between 44° and 60°. The average high for May is 73° with an average low of 54°. 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.
