S
M
T
W
T
F
S
26
84°
54°
27
86°
64°
28
81°
63°
29
81°
66°
30
79°
66°
31
86°
61°
1
88°
63°
2
86°
68°
3
86°
64°
4
86°
61°
5
84°
63°
6
91°
73°
7
91°
70°
8
88°
68°
9
90°
68°
10
86°
64°
11
84°
68°
12
84°
66°
13
86°
66°
14
84°
61°
15
82°
59°
16
84°
59°
17
82°
66°
18
84°
63°
19
84°
61°
20
82°
61°
21
81°
63°
22
79°
64°
23
81°
63°
24
79°
55°
25
78°
58°
26
82°
64°
27
80°
67°
28
80°
63°
29
82°
61°
30
81°
64°
31
85°
66°
1
80°
59°
2
78°
61°
3
76°
58°
4
79°
57°
5
78°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Cedar Knolls
Cedar Knolls's August 2026 forecast shows daily high temperatures ranging from 76° to 85°, with overnight lows between 57° and 67°. The average high for August is 80° 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 Cedar Knolls. See also: September | October | November.