S
M
T
W
T
F
S
26
58°
42°
27
73°
42°
28
70°
48°
29
55°
44°
30
51°
35°
1
45°
34°
2
45°
35°
3
61°
32°
4
73°
48°
5
69°
48°
6
52°
42°
7
55°
36°
8
59°
41°
9
70°
51°
10
55°
40°
11
56°
36°
12
62°
32°
13
63°
43°
14
53°
43°
15
65°
38°
16
71°
50°
17
84°
60°
18
88°
65°
19
85°
66°
20
67°
44°
21
60°
44°
22
64°
51°
23
62°
55°
24
67°
58°
25
72°
57°
26
76°
60°
27
73°
58°
28
68°
52°
29
69°
52°
30
64°
53°
31
69°
53°
1
71°
59°
2
73°
60°
3
73°
58°
4
72°
55°
5
76°
59°
6
73°
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 62° to 76°, with overnight lows between 51° and 60°. The average high for May is 70° with an average low of 56°. 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.
