S
M
T
W
T
F
S
26
66°
37°
27
68°
41°
28
63°
46°
29
63°
46°
30
72°
46°
1
72°
46°
2
72°
50°
3
66°
54°
4
61°
50°
5
63°
50°
6
57°
46°
7
57°
45°
8
64°
43°
9
68°
45°
10
55°
41°
11
54°
36°
12
63°
34°
13
55°
45°
14
54°
37°
15
57°
37°
16
59°
41°
17
61°
46°
18
57°
46°
19
63°
52°
20
64°
52°
21
70°
52°
22
79°
52°
23
76°
59°
24
75°
57°
25
79°
58°
26
80°
57°
27
74°
54°
28
71°
55°
29
70°
56°
30
70°
53°
31
67°
52°
1
66°
53°
2
66°
52°
3
64°
53°
4
65°
54°
5
59°
49°
6
59°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Shoreham-by-Sea
Shoreham-by-Sea's May 2026 forecast shows daily high temperatures ranging from 59° to 80°, with overnight lows between 47° and 59°. The average high for May is 69° 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 Shoreham-by-Sea. See also: June | July | August.