S
M
T
W
T
F
S
26
84°
65°
27
88°
68°
28
87°
71°
29
80°
66°
30
68°
59°
1
59°
53°
2
72°
48°
3
77°
45°
4
80°
50°
5
80°
57°
6
80°
61°
7
71°
58°
8
67°
58°
9
77°
62°
10
83°
60°
11
78°
65°
12
82°
60°
13
84°
58°
14
82°
60°
15
87°
59°
16
85°
67°
17
87°
63°
18
89°
72°
19
90°
70°
20
84°
69°
21
81°
70°
22
81°
69°
23
82°
68°
24
83°
67°
25
84°
68°
26
85°
69°
27
85°
70°
28
84°
67°
29
81°
68°
30
83°
65°
31
88°
66°
1
90°
70°
2
90°
69°
3
85°
69°
4
85°
66°
5
86°
68°
6
87°
70°
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 81° to 90°, with overnight lows between 65° and 72°. The average high for May is 85° with an average low of 69°. 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.
