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