S
M
T
W
T
F
S
26
49°
41°
27
66°
36°
28
64°
36°
29
68°
51°
30
70°
50°
1
68°
45°
2
61°
45°
3
60°
43°
4
76°
44°
5
84°
60°
6
74°
62°
7
66°
47°
8
69°
47°
9
74°
53°
10
84°
51°
11
63°
43°
12
69°
45°
13
76°
51°
14
65°
54°
15
70°
49°
16
83°
48°
17
87°
65°
18
96°
61°
19
95°
69°
20
96°
72°
21
74°
57°
22
61°
55°
23
57°
54°
24
66°
57°
25
75°
59°
26
79°
67°
27
74°
65°
28
74°
59°
29
71°
62°
30
70°
53°
31
66°
56°
1
72°
58°
2
73°
57°
3
77°
59°
4
78°
62°
5
76°
61°
6
81°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rehoboth Beach
Rehoboth Beach's May 2026 forecast shows daily high temperatures ranging from 66° to 81°, with overnight lows between 53° and 65°. The average high for May is 74° with an average low of 59°. 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 Rehoboth Beach. See also: June | July | August.
