S
M
T
W
T
F
S
26
52°
47°
27
62°
38°
28
60°
35°
29
59°
52°
30
66°
48°
1
56°
51°
2
58°
47°
3
61°
50°
4
64°
57°
5
69°
58°
6
69°
59°
7
63°
48°
8
60°
46°
9
63°
53°
10
67°
52°
11
64°
55°
12
64°
56°
13
67°
53°
14
69°
54°
15
65°
57°
16
66°
57°
17
66°
58°
18
67°
59°
19
72°
60°
20
74°
59°
21
68°
60°
22
73°
60°
23
75°
61°
24
75°
61°
25
72°
60°
26
69°
61°
27
70°
62°
28
76°
63°
29
74°
62°
30
76°
62°
31
74°
63°
1
73°
61°
2
70°
60°
3
70°
58°
4
71°
58°
5
71°
59°
6
72°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sea Dunes
Sea Dunes's May 2026 forecast shows daily high temperatures ranging from 56° to 76°, with overnight lows between 46° and 63°. The average high for May is 68° with an average low of 57°. 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 Sea Dunes. See also: June | July | August.
