S
M
T
W
T
F
S
26
87°
77°
27
88°
75°
28
87°
75°
29
87°
74°
30
89°
75°
31
88°
74°
1
89°
75°
2
87°
74°
3
88°
75°
4
88°
75°
5
86°
75°
6
86°
74°
7
Hist. Avg.
89°
76°
8
Hist. Avg.
89°
76°
9
Hist. Avg.
89°
76°
10
Hist. Avg.
89°
76°
11
Hist. Avg.
89°
76°
12
Hist. Avg.
89°
76°
13
Hist. Avg.
89°
76°
14
Hist. Avg.
89°
76°
15
Hist. Avg.
89°
76°
16
Hist. Avg.
89°
76°
17
Hist. Avg.
89°
76°
18
Hist. Avg.
89°
76°
19
Hist. Avg.
89°
76°
20
Hist. Avg.
89°
76°
21
Hist. Avg.
89°
76°
22
Hist. Avg.
89°
76°
23
Hist. Avg.
89°
76°
24
Hist. Avg.
89°
75°
25
Hist. Avg.
89°
75°
26
Hist. Avg.
89°
75°
27
Hist. Avg.
89°
75°
28
Hist. Avg.
89°
75°
29
Hist. Avg.
89°
75°
30
Hist. Avg.
89°
75°
31
Hist. Avg.
89°
75°
1
Hist. Avg.
89°
75°
2
Hist. Avg.
89°
75°
3
Hist. Avg.
89°
75°
4
Hist. Avg.
89°
75°
5
Hist. Avg.
89°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Honolulu
Honolulu's August 2026 forecast shows daily high temperatures ranging from 86° to 89°, with overnight lows between 74° and 77°. The average high for August is 88° 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 Honolulu. See also: September | October | November.
