S
M
T
W
T
F
S
26
77°
57°
27
79°
54°
28
78°
58°
29
82°
57°
30
83°
56°
31
83°
51°
1
83°
54°
2
81°
58°
3
83°
56°
4
78°
52°
5
81°
55°
6
79°
56°
7
81°
57°
8
83°
54°
9
81°
52°
10
78°
56°
11
82°
54°
12
82°
49°
13
77°
56°
14
81°
57°
15
82°
56°
16
81°
50°
17
81°
50°
18
75°
48°
19
75°
50°
20
78°
53°
21
74°
49°
22
75°
53°
23
78°
54°
24
79°
51°
25
78°
48°
26
79°
46°
27
72°
46°
28
72°
47°
29
71°
48°
30
71°
50°
31
75°
53°
1
77°
53°
2
78°
52°
3
77°
50°
4
77°
51°
5
76°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Five Islands
Five Islands's August 2026 forecast shows daily high temperatures ranging from 71° to 83°, with overnight lows between 45° and 58°. The average high for August is 78° with an average low of 52°. 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 Five Islands. See also: September | October | November.