S
M
T
W
T
F
S
26
93°
78°
27
92°
77°
28
93°
78°
29
93°
77°
30
92°
78°
31
93°
78°
1
93°
77°
2
92°
78°
3
93°
78°
4
94°
77°
5
94°
77°
6
93°
78°
7
93°
78°
8
94°
76°
9
94°
78°
10
91°
77°
11
93°
77°
12
94°
76°
13
94°
77°
14
93°
77°
15
94°
76°
16
94°
77°
17
93°
77°
18
94°
76°
19
94°
77°
20
93°
76°
21
93°
71°
22
89°
71°
23
89°
72°
24
90°
71°
25
89°
72°
26
90°
73°
27
92°
73°
28
89°
74°
29
90°
76°
30
93°
76°
31
93°
75°
1
92°
75°
2
93°
76°
3
93°
73°
4
92°
74°
5
92°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Oak Island
Oak Island's August 2026 forecast shows daily high temperatures ranging from 89° to 94°, with overnight lows between 71° and 78°. The average high for August is 92° with an average low of 76°. 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 Oak Island. See also: September | October | November.
