S
M
T
W
T
F
S
26
84°
67°
27
84°
63°
28
84°
70°
29
81°
70°
30
83°
70°
1
82°
69°
2
83°
70°
3
84°
71°
4
80°
68°
5
86°
68°
6
83°
65°
7
82°
72°
8
82°
69°
9
81°
70°
10
83°
72°
11
84°
72°
12
84°
72°
13
83°
69°
14
83°
66°
15
84°
68°
16
85°
66°
17
87°
71°
18
85°
70°
19
86°
71°
20
84°
70°
21
83°
69°
22
84°
68°
23
85°
70°
24
84°
69°
25
83°
69°
26
86°
68°
27
83°
70°
28
84°
71°
29
83°
71°
30
83°
70°
31
84°
71°
1
82°
71°
2
83°
70°
3
83°
71°
4
84°
72°
5
84°
72°
6
85°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Kahului
Kahului's May 2026 forecast shows daily high temperatures ranging from 82° to 87°, with overnight lows between 66° and 72°. The average high for May is 84° with an average low of 70°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Kahului. See also: June | July | August.
