S
M
T
W
T
F
S
26
72°
54°
27
75°
57°
28
79°
58°
29
77°
57°
30
75°
54°
31
70°
51°
1
71°
52°
2
76°
57°
3
79°
57°
4
73°
56°
5
72°
53°
6
71°
52°
7
75°
57°
8
77°
56°
9
78°
58°
10
77°
57°
11
73°
57°
12
73°
55°
13
75°
57°
14
74°
57°
15
71°
58°
16
71°
57°
17
70°
54°
18
70°
54°
19
75°
58°
20
77°
57°
21
77°
58°
22
77°
55°
23
79°
58°
24
78°
55°
25
77°
52°
26
69°
49°
27
70°
49°
28
75°
55°
29
76°
54°
30
69°
50°
31
68°
54°
1
68°
52°
2
66°
49°
3
68°
51°
4
72°
53°
5
66°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Keats Island
Keats Island's August 2026 forecast shows daily high temperatures ranging from 66° to 79°, with overnight lows between 47° and 58°. The average high for August is 73° with an average low of 55°. 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 Keats Island. See also: September | October | November.
