S
M
T
W
T
F
S
26
73°
60°
27
74°
61°
28
75°
60°
29
76°
61°
30
72°
60°
31
71°
60°
1
72°
59°
2
71°
57°
3
71°
60°
4
72°
60°
5
73°
61°
6
75°
61°
7
77°
60°
8
77°
61°
9
76°
61°
10
78°
60°
11
79°
61°
12
79°
62°
13
78°
62°
14
82°
54°
15
73°
56°
16
73°
56°
17
74°
57°
18
76°
56°
19
75°
52°
20
72°
52°
21
71°
54°
22
73°
55°
23
71°
51°
24
71°
50°
25
69°
54°
26
70°
54°
27
72°
51°
28
71°
51°
29
70°
52°
30
69°
51°
31
68°
52°
1
70°
51°
2
69°
55°
3
71°
53°
4
71°
54°
5
70°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Green Haven
Green Haven's August 2026 forecast shows daily high temperatures ranging from 68° to 82°, with overnight lows between 50° and 62°. The average high for August is 73° with an average low of 56°. 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 Green Haven. See also: September | October | November.