S
M
T
W
T
F
S
26
80°
75°
27
81°
76°
28
81°
76°
29
82°
75°
30
81°
76°
31
81°
76°
1
82°
75°
2
81°
76°
3
81°
76°
4
82°
75°
5
81°
76°
6
82°
75°
7
84°
73°
8
83°
75°
9
84°
75°
10
85°
73°
11
84°
74°
12
85°
75°
13
85°
75°
14
84°
74°
15
85°
74°
16
83°
73°
17
84°
74°
18
84°
73°
19
83°
74°
20
83°
75°
21
84°
74°
22
84°
74°
23
85°
73°
24
84°
74°
25
83°
74°
26
83°
73°
27
84°
74°
28
83°
74°
29
84°
73°
30
83°
75°
31
85°
76°
1
84°
75°
2
85°
74°
3
85°
74°
4
84°
73°
5
85°
74°
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 80° to 85°, with overnight lows between 73° and 76°. The average high for August is 83° with an average low of 74°. 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.
