S
M
T
W
T
F
S
26
78°
55°
27
77°
62°
28
60°
49°
29
61°
44°
30
65°
39°
1
63°
38°
2
62°
40°
3
79°
40°
4
81°
55°
5
69°
44°
6
61°
43°
7
67°
40°
8
67°
48°
9
80°
51°
10
67°
47°
11
77°
46°
12
80°
52°
13
75°
54°
14
76°
47°
15
79°
61°
16
80°
64°
17
84°
66°
18
76°
63°
19
66°
55°
20
64°
51°
21
71°
56°
22
70°
60°
23
79°
58°
24
79°
59°
25
81°
55°
26
81°
62°
27
81°
63°
28
83°
60°
29
79°
59°
30
81°
56°
31
80°
56°
1
82°
56°
2
80°
57°
3
82°
60°
4
80°
59°
5
79°
60°
6
81°
59°
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 79° to 83°, with overnight lows between 55° and 63°. The average high for May is 81° with an average low of 59°. 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.
