S
M
T
W
T
F
S
28
85°
67°
29
85°
66°
30
88°
65°
1
87°
67°
2
86°
70°
3
86°
69°
4
85°
67°
5
85°
68°
6
84°
66°
7
81°
64°
8
82°
66°
9
81°
69°
10
82°
70°
11
83°
69°
12
85°
71°
13
88°
71°
14
86°
70°
15
84°
70°
16
83°
69°
17
83°
70°
18
84°
69°
19
83°
70°
20
85°
70°
21
86°
71°
22
87°
70°
23
83°
70°
24
83°
69°
25
84°
70°
26
84°
71°
27
87°
71°
28
86°
70°
29
83°
70°
30
83°
71°
31
87°
71°
1
88°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Seabrook
Seabrook's July 2026 forecast shows daily high temperatures ranging from 81° to 88°, with overnight lows between 64° and 71°. The average high for July is 85° with an average low of 69°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Seabrook. See also: August | September | October.