S
M
T
W
T
F
S
26
81°
51°
27
83°
61°
28
66°
55°
29
64°
50°
30
67°
40°
1
64°
44°
2
61°
44°
3
78°
41°
4
79°
58°
5
70°
46°
6
63°
43°
7
68°
39°
8
77°
47°
9
81°
56°
10
70°
49°
11
78°
44°
12
83°
51°
13
75°
51°
14
75°
45°
15
84°
58°
16
80°
68°
17
89°
63°
18
80°
65°
19
80°
59°
20
71°
54°
21
73°
60°
22
71°
64°
23
77°
61°
24
82°
66°
25
84°
65°
26
83°
67°
27
81°
66°
28
82°
65°
29
81°
63°
30
80°
63°
31
82°
62°
1
85°
67°
2
85°
66°
3
78°
62°
4
77°
59°
5
80°
66°
6
85°
68°
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 71° to 85°, with overnight lows between 54° and 68°. The average high for May is 80° with an average low of 63°. 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.
