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
63°
50°
5
64°
53°
6
61°
55°
7
62°
44°
8
62°
43°
9
60°
50°
10
64°
51°
11
64°
46°
12
60°
48°
13
60°
49°
14
61°
49°
15
63°
47°
16
66°
48°
17
65°
57°
18
70°
51°
19
69°
50°
20
69°
50°
21
67°
49°
22
69°
46°
23
64°
44°
24
62°
46°
25
63°
45°
26
64°
49°
27
64°
46°
28
65°
47°
29
64°
46°
30
64°
47°
31
66°
54°
1
70°
54°
2
68°
50°
3
67°
53°
4
72°
55°
5
70°
54°
6
68°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in West Hampton Dunes
West Hampton Dunes's May 2026 forecast shows daily high temperatures ranging from 60° to 72°, with overnight lows between 43° and 57°. The average high for May is 65° 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 West Hampton Dunes. See also: June | July | August.