S
M
T
W
T
F
S
26
87°
76°
27
88°
75°
28
87°
75°
29
87°
76°
30
88°
76°
31
88°
75°
1
89°
75°
2
91°
76°
3
89°
70°
4
88°
69°
5
89°
73°
6
88°
70°
7
90°
69°
8
88°
70°
9
88°
69°
10
89°
69°
11
89°
74°
12
92°
74°
13
94°
73°
14
92°
73°
15
88°
72°
16
88°
73°
17
91°
72°
18
89°
69°
19
87°
68°
20
87°
68°
21
88°
69°
22
90°
72°
23
92°
71°
24
92°
70°
25
90°
70°
26
90°
71°
27
92°
72°
28
91°
73°
29
91°
72°
30
90°
68°
31
88°
64°
1
85°
63°
2
84°
64°
3
85°
66°
4
88°
69°
5
90°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Deans Island
Deans Island's August 2026 forecast shows daily high temperatures ranging from 84° to 94°, with overnight lows between 63° and 76°. The average high for August is 89° with an average low of 71°. 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 Deans Island. See also: September | October | November.
