S
M
T
W
T
F
S
26
84°
57°
27
84°
61°
28
82°
63°
29
75°
58°
30
67°
50°
1
68°
45°
2
68°
45°
3
70°
39°
4
82°
52°
5
77°
56°
6
73°
54°
7
69°
49°
8
75°
43°
9
81°
51°
10
84°
54°
11
72°
46°
12
75°
49°
13
77°
51°
14
72°
50°
15
77°
56°
16
86°
65°
17
85°
64°
18
90°
67°
19
87°
68°
20
88°
68°
21
89°
66°
22
80°
57°
23
83°
62°
24
81°
61°
25
83°
62°
26
84°
63°
27
84°
63°
28
85°
64°
29
85°
64°
30
84°
63°
31
84°
64°
1
82°
62°
2
85°
64°
3
86°
66°
4
86°
66°
5
81°
65°
6
84°
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 90°, with overnight lows between 46° and 68°. The average high for May is 83° 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.
