S
M
T
W
T
F
S
26
80°
66°
27
66°
57°
28
76°
58°
29
81°
64°
30
79°
67°
1
71°
64°
2
65°
54°
3
71°
51°
4
76°
61°
5
77°
66°
6
80°
70°
7
78°
66°
8
69°
62°
9
77°
64°
10
78°
64°
11
79°
62°
12
76°
65°
13
81°
63°
14
80°
62°
15
84°
63°
16
82°
64°
17
83°
65°
18
78°
67°
19
77°
67°
20
83°
68°
21
82°
69°
22
78°
63°
23
77°
62°
24
77°
63°
25
78°
67°
26
79°
66°
27
78°
64°
28
79°
65°
29
80°
67°
30
79°
68°
31
80°
69°
1
81°
71°
2
83°
70°
3
81°
71°
4
81°
71°
5
82°
72°
6
83°
71°
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 69° to 84°, with overnight lows between 61° and 72°. The average high for May is 79° with an average low of 66°. 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.
