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