S
M
T
W
T
F
S
26
82°
66°
27
83°
66°
28
82°
65°
29
78°
67°
30
77°
67°
31
77°
68°
1
77°
66°
2
76°
64°
3
76°
63°
4
77°
65°
5
76°
66°
6
76°
66°
7
77°
67°
8
77°
67°
9
78°
66°
10
77°
67°
11
78°
67°
12
77°
66°
13
76°
67°
14
77°
67°
15
81°
66°
16
75°
62°
17
75°
62°
18
76°
60°
19
74°
63°
20
74°
65°
21
75°
62°
22
73°
62°
23
73°
63°
24
74°
64°
25
74°
65°
26
73°
64°
27
74°
64°
28
72°
62°
29
73°
63°
30
80°
61°
31
79°
63°
1
79°
61°
2
78°
62°
3
77°
63°
4
78°
61°
5
78°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in East Dennis
East Dennis's August 2026 forecast shows daily high temperatures ranging from 72° to 83°, with overnight lows between 60° and 68°. The average high for August is 77° 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 East Dennis. See also: September | October | November.
