S
M
T
W
T
F
S
26
84°
57°
27
84°
61°
28
82°
63°
29
75°
58°
30
67°
50°
1
68°
45°
2
68°
45°
3
70°
52°
4
82°
59°
5
76°
59°
6
63°
51°
7
64°
45°
8
69°
48°
9
71°
53°
10
77°
56°
11
73°
52°
12
72°
55°
13
75°
55°
14
78°
58°
15
75°
56°
16
77°
55°
17
79°
60°
18
80°
60°
19
81°
59°
20
77°
60°
21
78°
55°
22
74°
52°
23
73°
52°
24
74°
54°
25
74°
55°
26
75°
53°
27
74°
54°
28
76°
55°
29
77°
57°
30
81°
63°
31
80°
64°
1
79°
64°
2
78°
63°
3
79°
60°
4
79°
60°
5
82°
65°
6
85°
66°
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 63° to 85°, with overnight lows between 45° and 66°. 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.
