S
M
T
W
T
F
S
26
81°
63°
27
82°
63°
28
82°
61°
29
81°
66°
30
83°
67°
31
86°
66°
1
84°
59°
2
82°
60°
3
81°
61°
4
81°
60°
5
80°
59°
6
81°
59°
7
81°
60°
8
82°
61°
9
81°
65°
10
81°
66°
11
80°
66°
12
80°
65°
13
83°
65°
14
85°
60°
15
85°
59°
16
80°
64°
17
82°
61°
18
83°
59°
19
80°
58°
20
79°
57°
21
80°
63°
22
79°
59°
23
78°
62°
24
80°
64°
25
79°
63°
26
83°
65°
27
83°
64°
28
84°
64°
29
84°
64°
30
83°
57°
31
79°
57°
1
77°
58°
2
77°
57°
3
78°
62°
4
76°
56°
5
81°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Closter
Closter's August 2026 forecast shows daily high temperatures ranging from 76° to 86°, with overnight lows between 56° and 67°. The average high for August is 81° with an average low of 61°. 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 Closter. See also: September | October | November.