S
M
T
W
T
F
S
26
90°
69°
27
91°
70°
28
91°
70°
29
92°
69°
30
91°
69°
31
90°
68°
1
87°
68°
2
88°
67°
3
87°
68°
4
91°
70°
5
92°
70°
6
92°
68°
7
87°
68°
8
91°
68°
9
89°
67°
10
90°
61°
11
85°
63°
12
86°
62°
13
85°
62°
14
88°
63°
15
85°
64°
16
83°
67°
17
85°
67°
18
88°
65°
19
84°
65°
20
83°
64°
21
83°
67°
22
84°
67°
23
84°
64°
24
86°
65°
25
89°
62°
26
89°
60°
27
83°
60°
28
82°
62°
29
83°
65°
30
82°
64°
31
85°
66°
1
86°
60°
2
81°
59°
3
81°
59°
4
82°
58°
5
80°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Seabrook
Seabrook's August 2026 forecast shows daily high temperatures ranging from 80° to 92°, with overnight lows between 58° and 70°. The average high for August is 86° with an average low of 65°. 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. See also: September | October | November.
