S
M
T
W
T
F
S
26
78°
64°
27
80°
70°
28
79°
70°
29
83°
69°
30
84°
70°
31
83°
69°
1
83°
71°
2
84°
71°
3
83°
70°
4
84°
70°
5
86°
69°
6
86°
69°
7
84°
68°
8
84°
67°
9
83°
68°
10
83°
61°
11
76°
60°
12
77°
61°
13
76°
61°
14
78°
60°
15
77°
61°
16
78°
65°
17
79°
68°
18
76°
67°
19
80°
67°
20
82°
68°
21
82°
67°
22
84°
67°
23
Hist. Avg.
78°
63°
24
Hist. Avg.
78°
63°
25
Hist. Avg.
78°
63°
26
Hist. Avg.
78°
63°
27
Hist. Avg.
78°
62°
28
Hist. Avg.
78°
62°
29
Hist. Avg.
78°
62°
30
Hist. Avg.
78°
62°
31
Hist. Avg.
77°
62°
1
Hist. Avg.
77°
61°
2
Hist. Avg.
77°
61°
3
Hist. Avg.
77°
61°
4
Hist. Avg.
76°
60°
5
Hist. Avg.
76°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in South Haven
South Haven's August 2026 forecast shows daily high temperatures ranging from 76° to 86°, with overnight lows between 60° and 71°. The average high for August is 81° with an average low of 67°. 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.
