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°
66°
15
85°
68°
16
84°
68°
17
85°
69°
18
85°
69°
19
82°
70°
20
83°
72°
21
84°
70°
22
82°
68°
23
82°
70°
24
83°
68°
25
83°
70°
26
82°
71°
27
84°
69°
28
80°
70°
29
81°
71°
30
81°
71°
31
82°
70°
1
81°
71°
2
81°
71°
3
82°
72°
4
82°
72°
5
83°
71°
6
82°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lahaina
Lahaina's May 2026 forecast shows daily high temperatures ranging from 80° to 85°, with overnight lows between 66° and 72°. The average high for May is 83° 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 Lahaina. See also: June | July | August.
