S
M
T
W
T
F
S
26
86°
74°
27
85°
72°
28
86°
75°
29
84°
74°
30
91°
72°
31
89°
75°
1
87°
76°
2
84°
75°
3
84°
75°
4
88°
70°
5
86°
77°
6
86°
73°
7
86°
73°
8
89°
74°
9
87°
75°
10
89°
75°
11
90°
74°
12
87°
74°
13
88°
75°
14
87°
74°
15
81°
75°
16
86°
74°
17
87°
76°
18
87°
75°
19
84°
75°
20
84°
70°
21
90°
71°
22
89°
72°
23
85°
77°
24
90°
75°
25
88°
77°
26
86°
72°
27
86°
72°
28
86°
73°
29
86°
72°
30
88°
73°
31
87°
74°
1
88°
73°
2
89°
72°
3
88°
73°
4
88°
73°
5
89°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Kahului
Kahului's August 2026 forecast shows daily high temperatures ranging from 86° to 89°, with overnight lows between 72° and 74°. The average high for August is 87° with an average low of 73°. 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 Kahului. See also: September | October | November.
