S
M
T
W
T
F
S
26
83°
61°
27
77°
59°
28
68°
52°
29
84°
61°
30
77°
61°
1
68°
56°
2
70°
50°
3
73°
42°
4
81°
45°
5
82°
52°
6
87°
64°
7
77°
61°
8
74°
55°
9
73°
58°
10
84°
59°
11
83°
58°
12
72°
56°
13
82°
53°
14
79°
58°
15
80°
47°
16
87°
49°
17
91°
64°
18
90°
62°
19
89°
63°
20
93°
67°
21
91°
67°
22
90°
69°
23
83°
66°
24
80°
69°
25
81°
69°
26
82°
70°
27
83°
69°
28
84°
68°
29
82°
66°
30
75°
62°
31
76°
61°
1
78°
62°
2
78°
61°
3
82°
63°
4
84°
63°
5
83°
62°
6
81°
60°
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 75° to 84°, with overnight lows between 60° and 70°. The average high for May is 81° with an average low of 65°. 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.
