S
M
T
W
T
F
S
26
61°
48°
27
70°
49°
28
59°
49°
29
61°
43°
30
57°
37°
1
51°
40°
2
51°
33°
3
60°
36°
4
75°
50°
5
65°
46°
6
56°
43°
7
58°
39°
8
64°
46°
9
70°
52°
10
66°
47°
11
70°
39°
12
76°
40°
13
62°
44°
14
65°
39°
15
67°
44°
16
77°
59°
17
83°
66°
18
79°
68°
19
79°
54°
20
64°
47°
21
64°
48°
22
69°
53°
23
75°
58°
24
78°
62°
25
77°
61°
26
75°
58°
27
76°
57°
28
77°
59°
29
78°
60°
30
79°
56°
31
81°
60°
1
79°
62°
2
80°
60°
3
73°
56°
4
73°
54°
5
74°
58°
6
77°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in South Haven
South Haven's May 2026 forecast shows daily high temperatures ranging from 64° to 83°, with overnight lows between 47° and 68°. The average high for May is 76° with an average low of 58°. 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 Haven. See also: June | July | August.
