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
82°
68°
4
81°
65°
5
85°
64°
6
88°
66°
7
84°
68°
8
85°
68°
9
84°
68°
10
83°
69°
11
84°
70°
12
84°
69°
13
83°
69°
14
83°
68°
15
86°
68°
16
85°
67°
17
83°
69°
18
82°
70°
19
82°
70°
20
83°
69°
21
82°
70°
22
83°
70°
23
83°
69°
24
84°
70°
25
83°
70°
26
83°
69°
27
82°
70°
28
83°
71°
29
83°
71°
30
84°
70°
31
83°
71°
1
83°
71°
2
84°
70°
3
83°
71°
4
83°
71°
5
84°
70°
6
83°
72°
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 81° to 88°, with overnight lows between 64° and 72°. The average high for May is 83° with an average low of 69°. 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.
