16.05
sat
sat
Day
77°F
W 4 mph
Precip.
100%
100%
Night
73°F
SW 2 mph
Precip.
60%
60%
17.05
sun
sun
Day
79°F
W 11 mph
Precip.
0%
0%
Night
73°F
W 11 mph
Precip.
69%
69%
18.05
mon
mon
Day
77°F
W 11 mph
Precip.
100%
100%
Night
72°F
W 9 mph
Precip.
79%
79%
19.05
tue
tue
Day
75°F
W 12 mph
Precip.
72%
72%
Night
72°F
W 14 mph
Precip.
83%
83%
20.05
wed
wed
Day
77°F
SW 16 mph
Precip.
100%
100%
Night
72°F
W 16 mph
Precip.
100%
100%
21.05
thu
thu
Day
73°F
SW 19 mph
Precip.
61%
61%
Night
70°F
W 17 mph
Precip.
64%
64%
22.05
fri
fri
Day
75°F
SW 17 mph
Precip.
24%
24%
Night
70°F
W 14 mph
Precip.
67%
67%
23.05
sat
sat
Day
73°F
SW 17 mph
Precip.
100%
100%
Night
70°F
W 14 mph
Precip.
74%
74%
24.05
sun
sun
Day
75°F
W 17 mph
Precip.
74%
74%
Night
70°F
W 16 mph
Precip.
73%
73%
25.05
mon
mon
Day
73°F
W 19 mph
Precip.
100%
100%
Night
70°F
W 14 mph
Precip.
64%
64%
26.05
tue
tue
Day
75°F
W 17 mph
Precip.
77%
77%
Night
70°F
W 14 mph
Precip.
100%
100%
27.05
wed
wed
Day
75°F
W 15 mph
Precip.
100%
100%
Night
70°F
W 12 mph
Precip.
100%
100%
28.05
thu
thu
Day
77°F
W 11 mph
Precip.
0%
0%
Night
70°F
W 9 mph
Precip.
22%
22%
29.05
fri
fri
Day
75°F
W 9 mph
Precip.
42%
42%
Night
72°F
W 10 mph
Precip.
0%
0%
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 75.9°F. The highest and lowest sea temperatures during the month were 76.8°F and 75.0°F.
Air temperature in Oahu, °F
Precipitation total in Oahu, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Oahu
Oahu on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Oahu
Local time: 13:27
May 16, saturday
1500
79°F
SW
3 mph
3 mph
1800
75°F
SW
2 mph
2 mph
2100
75°F
W
1 mph
1 mph
May 17, sunday
0000
73°F
SW
2 mph
2 mph
0300
72°F
SW
4 mph
4 mph
0600
72°F
SW
6 mph
6 mph
0900
75°F
W
9 mph
9 mph
1200
79°F
W
11 mph
11 mph
