S
M
T
W
T
F
S
26
83°
61°
27
77°
59°
28
68°
52°
29
84°
61°
30
77°
61°
1
68°
56°
2
70°
50°
3
73°
42°
4
81°
45°
5
82°
52°
6
86°
67°
7
76°
51°
8
76°
59°
9
76°
62°
10
82°
61°
11
79°
46°
12
72°
52°
13
79°
54°
14
84°
62°
15
84°
62°
16
81°
60°
17
81°
62°
18
79°
59°
19
77°
57°
20
83°
61°
21
78°
62°
22
83°
61°
23
76°
61°
24
78°
60°
25
79°
60°
26
81°
62°
27
80°
62°
28
79°
61°
29
79°
63°
30
78°
62°
31
79°
63°
1
81°
64°
2
82°
63°
3
83°
64°
4
82°
65°
5
82°
66°
6
83°
65°
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 72° to 86°, with overnight lows between 46° and 67°. The average high for May is 80° with an average low of 61°. 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.
