S
M
T
W
T
F
S
26
62°
50°
27
62°
51°
28
67°
46°
29
71°
48°
30
69°
49°
1
71°
52°
2
71°
51°
3
63°
54°
4
64°
52°
5
64°
50°
6
68°
48°
7
73°
53°
8
69°
53°
9
72°
51°
10
72°
49°
11
77°
52°
12
67°
52°
13
68°
55°
14
70°
54°
15
64°
54°
16
69°
53°
17
69°
52°
18
77°
55°
19
85°
54°
20
84°
60°
21
75°
56°
22
66°
59°
23
67°
58°
24
68°
55°
25
67°
56°
26
67°
54°
27
71°
54°
28
70°
56°
29
71°
56°
30
73°
55°
31
74°
55°
1
73°
57°
2
73°
58°
3
72°
57°
4
73°
55°
5
73°
58°
6
75°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Leo Carrillo State Park
Leo Carrillo State Park's May 2026 forecast shows daily high temperatures ranging from 66° to 75°, with overnight lows between 54° and 59°. The average high for May is 71° with an average low of 56°. 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 Leo Carrillo State Park. See also: June | July | August.