S
M
T
W
T
F
S
26
53°
42°
27
54°
39°
28
56°
43°
29
54°
40°
30
55°
41°
1
59°
42°
2
57°
39°
3
56°
42°
4
63°
49°
5
67°
48°
6
64°
49°
7
68°
51°
8
69°
52°
9
70°
51°
10
69°
49°
11
59°
47°
12
60°
47°
13
61°
50°
14
60°
50°
15
61°
52°
16
65°
53°
17
63°
52°
18
65°
44°
19
65°
43°
20
62°
43°
21
63°
44°
22
63°
43°
23
64°
46°
24
64°
51°
25
66°
48°
26
67°
50°
27
71°
47°
28
66°
51°
29
66°
54°
30
76°
48°
31
69°
52°
1
67°
54°
2
69°
49°
3
69°
56°
4
73°
52°
5
76°
51°
6
69°
51°
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 53° to 76°, with overnight lows between 39° and 56°. The average high for May is 64° with an average low of 48°. 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.
