S
M
T
W
T
F
S
26
88°
68°
27
88°
68°
28
87°
67°
29
85°
68°
30
83°
68°
31
88°
67°
1
87°
68°
2
88°
67°
3
88°
67°
4
88°
68°
5
87°
68°
6
84°
67°
7
83°
63°
8
84°
61°
9
82°
62°
10
82°
61°
11
83°
67°
12
86°
67°
13
88°
66°
14
87°
61°
15
82°
61°
16
81°
65°
17
83°
66°
18
81°
60°
19
84°
60°
20
83°
61°
21
84°
61°
22
85°
62°
23
85°
59°
24
84°
59°
25
83°
60°
26
84°
64°
27
85°
65°
28
82°
64°
29
85°
66°
30
85°
62°
31
84°
57°
1
81°
56°
2
78°
57°
3
77°
57°
4
78°
58°
5
77°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Greenhaven
Greenhaven's August 2026 forecast shows daily high temperatures ranging from 77° to 88°, with overnight lows between 56° and 68°. The average high for August is 84° with an average low of 63°. 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 Greenhaven. See also: September | October | November.
