S
M
T
W
T
F
S
26
87°
66°
27
86°
68°
28
88°
68°
29
88°
67°
30
87°
68°
31
86°
68°
1
87°
67°
2
86°
68°
3
87°
68°
4
88°
67°
5
87°
67°
6
86°
66°
7
86°
67°
8
87°
63°
9
80°
61°
10
80°
60°
11
81°
64°
12
81°
66°
13
82°
66°
14
83°
67°
15
84°
66°
16
84°
64°
17
84°
59°
18
81°
58°
19
81°
64°
20
83°
63°
21
85°
64°
22
86°
63°
23
86°
64°
24
84°
58°
25
79°
58°
26
79°
57°
27
78°
57°
28
78°
58°
29
79°
57°
30
79°
59°
31
81°
62°
1
84°
62°
2
84°
61°
3
85°
55°
4
84°
53°
5
77°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Island Heights
Island Heights's August 2026 forecast shows daily high temperatures ranging from 77° to 88°, with overnight lows between 53° and 68°. The average high for August is 84° with an average low of 63°. 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 Island Heights. See also: September | October | November.
