S
M
T
W
T
F
S
31
74°
62°
1
74°
63°
2
81°
68°
3
82°
67°
4
83°
68°
5
82°
69°
6
79°
64°
7
80°
65°
8
81°
66°
9
83°
70°
10
85°
71°
11
86°
71°
12
86°
72°
13
86°
72°
14
86°
71°
15
84°
72°
16
83°
72°
17
85°
73°
18
87°
73°
19
86°
72°
20
87°
72°
21
88°
73°
22
87°
73°
23
85°
74°
24
88°
73°
25
87°
72°
26
87°
74°
27
89°
75°
28
89°
74°
29
90°
74°
30
89°
75°
1
90°
74°
2
87°
74°
3
84°
73°
4
85°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Myrtle Beach
Myrtle Beach's June 2026 forecast shows daily high temperatures ranging from 74° to 90°, with overnight lows between 62° and 75°. The average high for June is 85° with an average low of 71°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Myrtle Beach. See also: July | August | September.