S
M
T
W
T
F
S
26
81°
75°
27
81°
75°
28
82°
76°
29
81°
76°
30
81°
75°
31
82°
76°
1
81°
77°
2
82°
76°
3
82°
76°
4
83°
75°
5
82°
76°
6
82°
76°
7
83°
75°
8
82°
76°
9
82°
76°
10
83°
75°
11
82°
76°
12
82°
76°
13
83°
75°
14
82°
76°
15
82°
75°
16
83°
76°
17
83°
74°
18
84°
76°
19
84°
75°
20
85°
74°
21
84°
75°
22
85°
74°
23
84°
74°
24
83°
75°
25
83°
75°
26
84°
74°
27
85°
74°
28
84°
75°
29
83°
74°
30
84°
74°
31
83°
75°
1
83°
74°
2
84°
74°
3
83°
75°
4
84°
76°
5
85°
76°
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 81° to 85°, with overnight lows between 74° and 77°. The average high for August is 83° 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.
