S
M
T
W
T
F
S
26
55°
32°
27
64°
31°
28
63°
31°
29
55°
32°
30
54°
38°
1
60°
32°
2
54°
42°
3
58°
31°
4
61°
30°
5
62°
52°
6
62°
54°
7
63°
35°
8
61°
32°
9
62°
44°
10
66°
43°
11
59°
35°
12
61°
37°
13
62°
49°
14
65°
50°
15
67°
44°
16
70°
39°
17
82°
55°
18
80°
53°
19
74°
61°
20
80°
59°
21
62°
45°
22
63°
49°
23
57°
50°
24
61°
56°
25
65°
57°
26
68°
59°
27
73°
54°
28
74°
51°
29
69°
51°
30
72°
54°
31
71°
56°
1
71°
54°
2
72°
59°
3
75°
56°
4
76°
55°
5
76°
58°
6
75°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Westhampton Beach
Westhampton Beach's May 2026 forecast shows daily high temperatures ranging from 57° to 80°, with overnight lows between 45° and 59°. The average high for May is 70° with an average low of 54°. 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 Westhampton Beach. See also: June | July | August.
