S
M
T
W
T
F
S
26
84°
71°
27
88°
70°
28
88°
70°
29
88°
69°
30
87°
70°
31
88°
69°
1
88°
69°
2
87°
70°
3
88°
69°
4
87°
70°
5
88°
69°
6
88°
70°
7
89°
70°
8
88°
69°
9
89°
70°
10
89°
70°
11
88°
69°
12
88°
70°
13
87°
70°
14
88°
69°
15
88°
70°
16
87°
71°
17
89°
71°
18
89°
70°
19
88°
71°
20
89°
71°
21
89°
70°
22
87°
70°
23
88°
71°
24
88°
70°
25
87°
69°
26
88°
70°
27
88°
70°
28
87°
69°
29
88°
71°
30
88°
70°
31
87°
70°
1
87°
69°
2
88°
66°
3
87°
70°
4
87°
71°
5
88°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Wailea
Wailea's August 2026 forecast shows daily high temperatures ranging from 84° to 89°, with overnight lows between 66° and 71°. The average high for August is 88° with an average low of 70°. 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 Wailea. See also: September | October | November.