S
M
T
W
T
F
S
26
88°
75°
27
83°
74°
28
84°
77°
29
84°
76°
30
85°
76°
31
83°
79°
1
85°
75°
2
85°
75°
3
84°
74°
4
82°
74°
5
84°
79°
6
86°
79°
7
85°
76°
8
86°
78°
9
84°
78°
10
85°
77°
11
85°
77°
12
87°
77°
13
88°
77°
14
87°
77°
15
87°
77°
16
85°
77°
17
85°
74°
18
84°
74°
19
85°
73°
20
84°
75°
21
85°
74°
22
84°
75°
23
85°
74°
24
85°
75°
25
84°
74°
26
82°
77°
27
82°
76°
28
82°
76°
29
81°
75°
30
81°
76°
31
82°
75°
1
82°
76°
2
83°
76°
3
82°
77°
4
82°
76°
5
83°
76°
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 88°, with overnight lows between 73° and 77°. The average high for August is 84° 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 Kailua. See also: September | October | November.
