S
M
T
W
T
F
S
26
86°
72°
27
86°
69°
28
85°
71°
29
83°
72°
30
84°
73°
1
84°
71°
2
85°
72°
3
85°
70°
4
86°
71°
5
85°
72°
6
84°
71°
7
83°
71°
8
85°
70°
9
84°
71°
10
83°
70°
11
84°
71°
12
85°
70°
13
84°
72°
14
86°
71°
15
86°
71°
16
85°
73°
17
86°
72°
18
86°
72°
19
85°
73°
20
82°
74°
21
83°
73°
22
82°
74°
23
82°
74°
24
83°
73°
25
82°
74°
26
82°
73°
27
83°
73°
28
82°
74°
29
82°
74°
30
83°
73°
31
83°
74°
1
84°
74°
2
83°
73°
3
84°
75°
4
83°
74°
5
83°
75°
6
84°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Honolulu
Honolulu's May 2026 forecast shows daily high temperatures ranging from 82° to 86°, with overnight lows between 70° and 75°. The average high for May is 84° with an average low of 73°. 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 Honolulu. See also: June | July | August.
