S
M
T
W
T
F
S
26
61°
52°
27
62°
49°
28
65°
46°
29
64°
46°
30
64°
50°
1
64°
56°
2
64°
56°
3
62°
54°
4
64°
53°
5
62°
50°
6
64°
49°
7
61°
50°
8
63°
58°
9
64°
58°
10
64°
54°
11
63°
56°
12
63°
55°
13
66°
53°
14
64°
52°
15
64°
58°
16
64°
57°
17
66°
57°
18
64°
53°
19
77°
58°
20
76°
59°
21
73°
61°
22
69°
59°
23
69°
61°
24
74°
57°
25
73°
58°
26
74°
57°
27
75°
60°
28
73°
56°
29
76°
56°
30
77°
59°
31
75°
58°
1
74°
57°
2
78°
60°
3
77°
59°
4
78°
60°
5
78°
60°
6
77°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in South Coast
South Coast's May 2026 forecast shows daily high temperatures ranging from 69° to 78°, with overnight lows between 56° and 61°. The average high for May is 75° 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 South Coast. See also: June | July | August.
