S
M
T
W
T
F
S
26
82°
72°
27
82°
73°
28
83°
73°
29
82°
72°
30
83°
73°
31
83°
73°
1
84°
72°
2
83°
73°
3
83°
73°
4
84°
72°
5
83°
73°
6
84°
72°
7
85°
70°
8
85°
72°
9
86°
72°
10
87°
70°
11
86°
71°
12
87°
72°
13
87°
72°
14
86°
71°
15
87°
71°
16
84°
70°
17
85°
71°
18
85°
70°
19
84°
71°
20
84°
72°
21
85°
71°
22
85°
71°
23
86°
70°
24
85°
71°
25
84°
71°
26
84°
70°
27
85°
71°
28
84°
71°
29
85°
70°
30
84°
72°
31
86°
73°
1
85°
72°
2
86°
71°
3
85°
71°
4
84°
70°
5
85°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Nanakuli
Nanakuli's August 2026 forecast shows daily high temperatures ranging from 82° to 87°, with overnight lows between 70° and 73°. The average high for August is 85° with an average low of 71°. 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 Nanakuli. See also: September | October | November.