S
M
T
W
T
F
S
26
95°
78°
27
94°
78°
28
95°
77°
29
94°
77°
30
95°
78°
31
96°
78°
1
95°
77°
2
91°
77°
3
93°
76°
4
93°
77°
5
92°
78°
6
94°
77°
7
95°
77°
8
95°
76°
9
94°
77°
10
94°
77°
11
93°
76°
12
93°
77°
13
90°
76°
14
92°
74°
15
93°
74°
16
93°
75°
17
94°
73°
18
93°
72°
19
92°
73°
20
94°
74°
21
94°
73°
22
91°
72°
23
90°
70°
24
92°
71°
25
93°
72°
26
93°
72°
27
94°
73°
28
94°
74°
29
93°
72°
30
93°
72°
31
92°
74°
1
93°
74°
2
93°
73°
3
92°
74°
4
93°
71°
5
93°
73°
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 90° to 96°, with overnight lows between 70° and 78°. The average high for August is 93° with an average low of 75°. 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.
