S
M
T
W
T
F
S
26
84°
65°
27
89°
68°
28
88°
68°
29
89°
67°
30
88°
68°
31
85°
67°
1
87°
67°
2
84°
66°
3
84°
67°
4
85°
67°
5
86°
66°
6
85°
67°
7
84°
67°
8
85°
66°
9
85°
67°
10
83°
67°
11
83°
66°
12
84°
66°
13
83°
65°
14
83°
65°
15
84°
66°
16
83°
63°
17
83°
64°
18
84°
64°
19
83°
64°
20
87°
65°
21
87°
61°
22
83°
58°
23
82°
58°
24
83°
61°
25
82°
62°
26
83°
65°
27
88°
65°
28
87°
66°
29
88°
66°
30
88°
60°
31
84°
58°
1
81°
61°
2
81°
63°
3
84°
60°
4
85°
65°
5
87°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Dennisville
Dennisville's August 2026 forecast shows daily high temperatures ranging from 81° to 89°, with overnight lows between 58° and 68°. The average high for August is 85° with an average low of 65°. 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 Dennisville. See also: September | October | November.
