S
M
T
W
T
F
S
26
81°
74°
27
82°
75°
28
81°
74°
29
80°
74°
30
81°
75°
31
82°
77°
1
82°
77°
2
83°
76°
3
82°
76°
4
82°
75°
5
83°
76°
6
82°
76°
7
82°
75°
8
83°
76°
9
82°
77°
10
82°
78°
11
83°
77°
12
82°
76°
13
82°
77°
14
83°
77°
15
82°
76°
16
82°
76°
17
83°
75°
18
82°
78°
19
82°
78°
20
83°
77°
21
82°
78°
22
82°
77°
23
83°
76°
24
85°
74°
25
84°
75°
26
84°
75°
27
85°
74°
28
84°
75°
29
85°
76°
30
85°
76°
31
86°
75°
1
86°
75°
2
85°
74°
3
85°
76°
4
86°
76°
5
85°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Kapa'a
Kapa'a's August 2026 forecast shows daily high temperatures ranging from 80° to 86°, with overnight lows between 74° and 78°. The average high for August is 83° 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 Kapa'a. See also: September | October | November.
