S
M
T
W
T
F
S
26
82°
71°
27
86°
72°
28
89°
76°
29
90°
76°
30
87°
72°
31
88°
69°
1
89°
82°
2
84°
77°
3
82°
75°
4
83°
77°
5
83°
78°
6
83°
77°
7
87°
74°
8
86°
75°
9
84°
74°
10
87°
73°
11
89°
73°
12
87°
74°
13
86°
73°
14
87°
74°
15
88°
75°
16
82°
72°
17
88°
75°
18
89°
76°
19
90°
76°
20
90°
75°
21
89°
74°
22
88°
73°
23
88°
74°
24
87°
75°
25
89°
75°
26
89°
74°
27
86°
75°
28
85°
75°
29
86°
73°
30
88°
74°
31
88°
74°
1
87°
73°
2
88°
73°
3
84°
70°
4
82°
71°
5
83°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in North Myrtle Beach
North Myrtle Beach's August 2026 forecast shows daily high temperatures ranging from 82° to 90°, with overnight lows between 69° and 78°. The average high for August is 86° with an average low of 74°. 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 North Myrtle Beach. See also: September | October | November.
