S
M
T
W
T
F
S
27
52°
35°
28
62°
31°
29
62°
37°
30
67°
39°
1
72°
39°
2
57°
37°
3
47°
31°
4
55°
28°
5
68°
38°
6
73°
46°
7
63°
39°
8
67°
36°
9
76°
41°
10
66°
40°
11
40°
34°
12
43°
34°
13
46°
34°
14
48°
32°
15
60°
36°
16
61°
33°
17
45°
35°
18
53°
33°
19
52°
36°
20
52°
34°
21
64°
33°
22
51°
37°
23
63°
34°
24
68°
43°
25
58°
38°
26
59°
38°
27
80°
40°
28
68°
41°
29
68°
40°
30
82°
47°
31
70°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cape Blanco State Park
Cape Blanco State Park's May 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 Cape Blanco State Park. See also: June | July | August.