S
M
T
W
T
F
S
26
84°
72°
27
85°
70°
28
85°
69°
29
85°
70°
30
84°
71°
31
85°
70°
1
86°
71°
2
85°
70°
3
85°
70°
4
86°
71°
5
86°
71°
6
87°
70°
7
86°
70°
8
85°
71°
9
85°
71°
10
86°
70°
11
86°
71°
12
87°
71°
13
86°
70°
14
87°
71°
15
87°
71°
16
86°
72°
17
88°
72°
18
88°
70°
19
87°
71°
20
88°
72°
21
87°
71°
22
88°
72°
23
86°
70°
24
86°
71°
25
85°
71°
26
86°
70°
27
86°
72°
28
87°
71°
29
86°
68°
30
86°
71°
31
85°
71°
1
86°
70°
2
86°
70°
3
84°
69°
4
84°
71°
5
84°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Waianae
Waianae's August 2026 forecast shows daily high temperatures ranging from 84° to 88°, with overnight lows between 68° and 72°. The average high for August is 86° 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 August weather will actually feel in Waianae. See also: September | October | November.
