S
M
T
W
T
F
S
26
80°
69°
27
81°
67°
28
80°
71°
29
82°
69°
30
79°
68°
31
79°
70°
1
80°
68°
2
80°
71°
3
81°
71°
4
81°
70°
5
84°
69°
6
79°
65°
7
79°
69°
8
83°
68°
9
79°
70°
10
80°
70°
11
81°
66°
12
79°
70°
13
81°
70°
14
82°
69°
15
78°
66°
16
78°
65°
17
79°
67°
18
78°
69°
19
78°
70°
20
81°
70°
21
82°
69°
22
83°
69°
23
82°
68°
24
85°
68°
25
85°
66°
26
84°
66°
27
82°
63°
28
78°
61°
29
76°
60°
30
75°
59°
31
74°
59°
1
75°
63°
2
75°
67°
3
76°
67°
4
82°
68°
5
82°
66°
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 74° to 85°, with overnight lows between 59° and 71°. The average high for August is 80° with an average low of 67°. 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.
