S
M
T
W
T
F
S
26
85°
72°
27
84°
70°
28
76°
64°
29
77°
57°
30
81°
58°
31
83°
59°
1
75°
69°
2
78°
62°
3
79°
57°
4
85°
60°
5
85°
70°
6
81°
68°
7
84°
68°
8
78°
61°
9
81°
57°
10
82°
70°
11
80°
68°
12
79°
65°
13
79°
66°
14
86°
68°
15
79°
71°
16
82°
73°
17
77°
62°
18
80°
59°
19
83°
59°
20
82°
56°
21
78°
63°
22
75°
66°
23
72°
55°
24
72°
49°
25
77°
50°
26
79°
61°
27
75°
59°
28
80°
55°
29
82°
60°
30
81°
65°
31
88°
70°
1
85°
72°
2
89°
70°
3
83°
69°
4
82°
69°
5
83°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in South Haven
South Haven's August 2026 forecast shows daily high temperatures ranging from 82° to 89°, with overnight lows between 64° and 72°. The average high for August is 84° 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 August weather will actually feel in South Haven. See also: September | October | November.
