S
M
T
W
T
F
S
26
82°
65°
27
82°
63°
28
82°
64°
29
80°
65°
30
79°
65°
1
78°
67°
2
81°
63°
3
80°
65°
4
82°
64°
5
81°
65°
6
80°
64°
7
79°
67°
8
82°
68°
9
82°
66°
10
82°
67°
11
81°
64°
12
80°
67°
13
80°
66°
14
81°
64°
15
79°
66°
16
82°
68°
17
85°
67°
18
81°
70°
19
83°
67°
20
80°
69°
21
81°
68°
22
84°
68°
23
84°
68°
24
83°
68°
25
84°
68°
26
84°
67°
27
84°
66°
28
83°
68°
29
84°
67°
30
85°
68°
31
84°
69°
1
85°
69°
2
84°
69°
3
85°
68°
4
85°
68°
5
84°
71°
6
81°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Waialua
Waialua's May 2026 forecast shows daily high temperatures ranging from 81° to 85°, with overnight lows between 66° and 71°. The average high for May is 84° with an average low of 68°. 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 Waialua. See also: June | July | August.
