S
M
T
W
T
F
S
26
79°
67°
27
79°
68°
28
80°
67°
29
78°
68°
30
75°
67°
31
75°
67°
1
75°
66°
2
76°
66°
3
76°
67°
4
77°
69°
5
76°
69°
6
76°
68°
7
77°
69°
8
76°
69°
9
76°
68°
10
77°
67°
11
76°
68°
12
77°
67°
13
76°
68°
14
76°
69°
15
77°
68°
16
76°
69°
17
76°
69°
18
77°
68°
19
76°
68°
20
76°
67°
21
77°
67°
22
76°
68°
23
76°
68°
24
77°
69°
25
77°
69°
26
78°
68°
27
78°
68°
28
80°
67°
29
80°
67°
30
78°
68°
31
79°
67°
1
81°
68°
2
80°
67°
3
81°
67°
4
80°
66°
5
80°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Honaunau-Napo'opo'o
Honaunau-Napo'opo'o's August 2026 forecast shows daily high temperatures ranging from 75° to 81°, with overnight lows between 66° and 69°. The average high for August is 77° with an average low of 68°. 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 Honaunau-Napo'opo'o. See also: September | October | November.