S
M
T
W
T
F
S
26
81°
67°
27
82°
66°
28
82°
67°
29
81°
67°
30
83°
66°
31
82°
67°
1
82°
67°
2
81°
66°
3
82°
67°
4
82°
67°
5
81°
66°
6
82°
67°
7
82°
67°
8
81°
66°
9
82°
68°
10
83°
68°
11
82°
67°
12
83°
67°
13
82°
66°
14
82°
67°
15
81°
68°
16
83°
68°
17
83°
67°
18
82°
67°
19
83°
64°
20
82°
67°
21
83°
67°
22
83°
66°
23
82°
67°
24
83°
67°
25
82°
66°
26
82°
67°
27
83°
66°
28
81°
67°
29
82°
66°
30
82°
66°
31
81°
67°
1
82°
68°
2
82°
67°
3
83°
67°
4
83°
67°
5
Hist. Avg.
90°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Kailua
Kailua's August 2026 forecast shows daily high temperatures ranging from 81° to 83°, with overnight lows between 64° and 68°. The average high for August is 82° with an average low of 67°. 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 Kailua. See also: September | October | November.
