S
M
T
W
T
F
S
26
86°
76°
27
88°
76°
28
87°
75°
29
84°
76°
30
85°
76°
31
89°
75°
1
89°
75°
2
90°
76°
3
91°
77°
4
90°
76°
5
91°
76°
6
89°
75°
7
87°
76°
8
87°
76°
9
86°
74°
10
84°
71°
11
84°
72°
12
85°
75°
13
88°
75°
14
86°
74°
15
87°
75°
16
86°
74°
17
89°
73°
18
89°
72°
19
87°
74°
20
86°
73°
21
89°
74°
22
88°
73°
23
89°
73°
24
87°
72°
25
88°
71°
26
88°
69°
27
84°
72°
28
85°
72°
29
84°
69°
30
84°
68°
31
87°
70°
1
87°
71°
2
88°
71°
3
85°
72°
4
87°
69°
5
86°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Myrtle Beach
Myrtle Beach's August 2026 forecast shows daily high temperatures ranging from 84° to 91°, with overnight lows between 67° and 77°. The average high for August is 87° with an average low of 73°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Myrtle Beach. See also: September | October | November.
