S
M
T
W
T
F
S
26
84°
64°
27
85°
65°
28
83°
68°
29
86°
64°
30
82°
64°
31
83°
65°
1
82°
64°
2
83°
68°
3
84°
68°
4
85°
67°
5
87°
64°
6
82°
62°
7
82°
66°
8
88°
65°
9
82°
66°
10
86°
67°
11
84°
63°
12
84°
67°
13
87°
67°
14
87°
64°
15
82°
61°
16
81°
60°
17
81°
63°
18
80°
66°
19
81°
67°
20
84°
67°
21
86°
66°
22
87°
66°
23
85°
65°
24
89°
65°
25
88°
64°
26
89°
63°
27
84°
62°
28
83°
61°
29
80°
57°
30
79°
57°
31
78°
56°
1
78°
62°
2
79°
65°
3
80°
65°
4
86°
64°
5
86°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Green Brook Township
Green Brook Township's August 2026 forecast shows daily high temperatures ranging from 78° to 89°, with overnight lows between 56° and 68°. The average high for August is 84° with an average low of 64°. 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 Brook Township. See also: September | October | November.