S
M
T
W
T
F
S
26
73°
53°
27
68°
52°
28
71°
48°
29
76°
56°
30
72°
58°
1
69°
55°
2
59°
52°
3
69°
46°
4
73°
61°
5
76°
65°
6
79°
72°
7
79°
56°
8
68°
59°
9
75°
64°
10
77°
64°
11
78°
65°
12
75°
63°
13
75°
62°
14
78°
64°
15
82°
64°
16
79°
69°
17
77°
62°
18
78°
65°
19
77°
65°
20
83°
66°
21
81°
66°
22
77°
61°
23
77°
59°
24
76°
61°
25
77°
65°
26
79°
63°
27
78°
61°
28
78°
62°
29
79°
64°
30
78°
65°
31
79°
66°
1
80°
69°
2
83°
68°
3
80°
69°
4
80°
69°
5
82°
68°
6
82°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Myrtle Beach State Park
Myrtle Beach State Park's May 2026 forecast shows daily high temperatures ranging from 68° to 83°, with overnight lows between 56° and 72°. The average high for May is 78° with an average low of 64°. 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 Myrtle Beach State Park. See also: June | July | August.
