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