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