S
M
T
W
T
F
S
26
54°
35°
27
55°
37°
28
57°
38°
29
56°
37°
30
55°
35°
1
57°
40°
2
58°
39°
3
57°
38°
4
61°
44°
5
67°
43°
6
62°
38°
7
58°
41°
8
67°
46°
9
69°
47°
10
69°
43°
11
60°
40°
12
60°
41°
13
62°
45°
14
60°
45°
15
59°
44°
16
61°
47°
17
63°
47°
18
69°
40°
19
64°
44°
20
67°
42°
21
66°
41°
22
65°
40°
23
64°
41°
24
64°
40°
25
67°
40°
26
67°
43°
27
68°
44°
28
67°
42°
29
67°
45°
30
69°
50°
31
68°
45°
1
68°
52°
2
69°
49°
3
69°
49°
4
70°
53°
5
75°
52°
6
74°
48°
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 54° to 75°, with overnight lows between 35° and 53°. The average high for May is 64° with an average low of 43°. 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.
