S
M
T
W
T
F
S
26
84°
60°
27
85°
61°
28
75°
66°
29
83°
65°
30
74°
63°
1
67°
55°
2
73°
50°
3
75°
47°
4
82°
49°
5
83°
52°
6
82°
64°
7
76°
63°
8
70°
61°
9
70°
63°
10
78°
64°
11
76°
55°
12
75°
55°
13
79°
58°
14
80°
54°
15
79°
59°
16
83°
63°
17
86°
64°
18
84°
64°
19
86°
65°
20
85°
66°
21
86°
67°
22
83°
62°
23
82°
64°
24
84°
65°
25
85°
66°
26
85°
66°
27
84°
65°
28
85°
66°
29
85°
67°
30
80°
67°
31
81°
66°
1
84°
67°
2
86°
68°
3
86°
68°
4
83°
67°
5
82°
68°
6
83°
67°
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 70° to 86°, with overnight lows between 54° and 68°. The average high for May is 82° with an average low of 64°. 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.
