S
M
T
W
T
F
S
26
69°
42°
27
69°
51°
28
63°
48°
29
53°
35°
30
53°
31°
1
50°
31°
2
60°
28°
3
70°
46°
4
79°
40°
5
57°
36°
6
54°
32°
7
61°
30°
8
69°
34°
9
68°
44°
10
63°
33°
11
61°
33°
12
77°
42°
13
64°
41°
14
71°
33°
15
81°
55°
16
83°
60°
17
72°
54°
18
79°
58°
19
71°
51°
20
62°
45°
21
57°
43°
22
64°
45°
23
74°
56°
24
81°
57°
25
86°
60°
26
86°
60°
27
86°
57°
28
79°
53°
29
77°
50°
30
70°
48°
31
72°
53°
1
76°
54°
2
78°
55°
3
78°
57°
4
77°
57°
5
76°
54°
6
75°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in South Madison
South Madison's May 2026 forecast shows daily high temperatures ranging from 70° to 86°, with overnight lows between 48° and 60°. The average high for May is 78° with an average low of 55°. 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 South Madison. See also: June | July | August.
