S
M
T
W
T
F
S
26
83°
66°
27
81°
68°
28
82°
69°
29
83°
69°
30
84°
69°
1
83°
69°
2
83°
68°
3
83°
67°
4
82°
68°
5
84°
67°
6
86°
67°
7
85°
69°
8
84°
66°
9
83°
70°
10
84°
69°
11
85°
70°
12
85°
69°
13
84°
69°
14
83°
68°
15
83°
66°
16
84°
68°
17
85°
69°
18
85°
70°
19
84°
70°
20
85°
71°
21
85°
71°
22
84°
71°
23
83°
70°
24
84°
69°
25
83°
68°
26
84°
69°
27
83°
68°
28
83°
68°
29
84°
68°
30
83°
67°
31
84°
68°
1
83°
70°
2
85°
72°
3
86°
72°
4
83°
69°
5
83°
70°
6
83°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Ka'anapali
Ka'anapali's May 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 Ka'anapali. See also: June | July | August.