S
M
T
W
T
F
S
26
88°
77°
27
88°
75°
28
93°
77°
29
93°
81°
30
95°
75°
31
90°
75°
1
89°
78°
2
87°
78°
3
84°
79°
4
87°
79°
5
86°
79°
6
88°
76°
7
89°
75°
8
90°
76°
9
89°
75°
10
91°
76°
11
93°
74°
12
91°
73°
13
90°
76°
14
92°
75°
15
87°
75°
16
85°
73°
17
90°
77°
18
91°
76°
19
91°
78°
20
92°
77°
21
90°
76°
22
89°
75°
23
89°
74°
24
90°
76°
25
90°
76°
26
89°
75°
27
89°
76°
28
87°
76°
29
87°
75°
30
90°
76°
31
89°
75°
1
88°
76°
2
88°
75°
3
85°
72°
4
84°
70°
5
85°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Seabrook Island
Seabrook Island's August 2026 forecast shows daily high temperatures ranging from 84° to 93°, with overnight lows between 70° and 79°. The average high for August is 89° with an average low of 76°. 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 Seabrook Island. See also: September | October | November.
