S
M
T
W
T
F
S
26
84°
61°
27
82°
64°
28
78°
64°
29
79°
53°
30
74°
51°
1
64°
50°
2
65°
44°
3
70°
47°
4
75°
51°
5
79°
60°
6
79°
55°
7
75°
55°
8
73°
53°
9
77°
55°
10
76°
57°
11
75°
59°
12
82°
62°
13
80°
62°
14
74°
56°
15
73°
55°
16
74°
55°
17
75°
56°
18
77°
58°
19
78°
60°
20
80°
61°
21
83°
62°
22
85°
64°
23
85°
65°
24
86°
66°
25
86°
66°
26
85°
65°
27
81°
61°
28
80°
66°
29
83°
66°
30
84°
65°
31
85°
66°
1
88°
67°
2
88°
68°
3
87°
68°
4
85°
67°
5
84°
68°
6
86°
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 64° to 88°, with overnight lows between 44° and 68°. The average high for May is 79° with an average low of 60°. 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.
