S
M
T
W
T
F
S
26
56°
46°
27
70°
37°
28
61°
44°
29
63°
57°
30
70°
46°
1
69°
39°
2
62°
44°
3
65°
37°
4
77°
42°
5
84°
49°
6
73°
58°
7
64°
44°
8
73°
36°
9
78°
45°
10
86°
46°
11
60°
42°
12
75°
37°
13
75°
45°
14
63°
44°
15
75°
40°
16
86°
45°
17
91°
59°
18
97°
61°
19
96°
62°
20
95°
65°
21
75°
54°
22
57°
51°
23
55°
49°
24
67°
53°
25
73°
63°
26
73°
65°
27
79°
63°
28
83°
56°
29
81°
52°
30
68°
52°
31
70°
52°
1
73°
53°
2
71°
55°
3
77°
56°
4
79°
57°
5
77°
60°
6
80°
61°
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 68° to 83°, with overnight lows between 52° and 65°. The average high for May is 76° with an average low of 57°. 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.
