S
M
T
W
T
F
S
26
78°
55°
27
69°
49°
28
77°
53°
29
70°
54°
30
78°
59°
1
80°
61°
2
80°
57°
3
75°
55°
4
69°
53°
5
64°
50°
6
62°
49°
7
61°
47°
8
67°
48°
9
65°
47°
10
64°
46°
11
67°
49°
12
67°
48°
13
66°
46°
14
65°
50°
15
66°
52°
16
64°
52°
17
64°
51°
18
62°
51°
19
61°
49°
20
59°
44°
21
59°
48°
22
61°
48°
23
60°
49°
24
59°
50°
25
57°
45°
26
58°
44°
27
57°
49°
28
58°
49°
29
58°
47°
30
59°
44°
31
59°
43°
1
60°
43°
2
59°
47°
3
61°
48°
4
57°
48°
5
57°
46°
6
56°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Seabrook
Seabrook's May 2026 forecast shows daily high temperatures ranging from 56° to 80°, with overnight lows between 43° and 61°. The average high for May is 64° with an average low of 49°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Seabrook. See also: June | July | August.
