S
M
T
W
T
F
S
26
88°
72°
27
89°
72°
28
88°
71°
29
86°
72°
30
84°
71°
31
88°
72°
1
88°
71°
2
89°
72°
3
90°
70°
4
89°
71°
5
88°
71°
6
83°
70°
7
84°
67°
8
83°
65°
9
83°
65°
10
84°
66°
11
83°
70°
12
86°
70°
13
88°
69°
14
88°
64°
15
82°
64°
16
82°
68°
17
83°
70°
18
82°
64°
19
84°
64°
20
83°
65°
21
85°
64°
22
86°
64°
23
86°
63°
24
85°
62°
25
83°
63°
26
84°
67°
27
86°
68°
28
83°
67°
29
86°
69°
30
86°
66°
31
84°
60°
1
82°
59°
2
78°
61°
3
78°
60°
4
79°
60°
5
78°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Montclair Township
Montclair Township's August 2026 forecast shows daily high temperatures ranging from 78° to 90°, with overnight lows between 59° and 72°. The average high for August is 85° 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 Montclair Township. See also: September | October | November.