16.07
thu
thu
Day
82°F
W 8 mph
Precip.
17%
17%
Night
75°F
W 8 mph
Precip.
17%
17%
17.07
fri
fri
Day
81°F
W 11 mph
Precip.
3%
3%
Night
73°F
SW 8 mph
Precip.
19%
19%
18.07
sat
sat
Day
82°F
W 11 mph
Precip.
4%
4%
Night
73°F
W 9 mph
Precip.
17%
17%
19.07
sun
sun
Day
81°F
SW 9 mph
Precip.
3%
3%
Night
73°F
SW 7 mph
Precip.
21%
21%
20.07
mon
mon
Day
81°F
SW 9 mph
Precip.
10%
10%
Night
72°F
SW 5 mph
Precip.
20%
20%
21.07
tue
tue
Day
81°F
W 9 mph
Precip.
18%
18%
Night
72°F
W 5 mph
Precip.
31%
31%
22.07
wed
wed
Day
81°F
W 9 mph
Precip.
18%
18%
Night
73°F
SW 9 mph
Precip.
19%
19%
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 78.3°F. The highest and lowest sea temperatures during the month were 78.8°F and 77.7°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: 03:47
July 16, thursday
0600
72°F
W
6 mph
6 mph
0900
77°F
W
7 mph
7 mph
1200
82°F
W
8 mph
8 mph
1500
81°F
W
11 mph
11 mph
1800
77°F
W
11 mph
11 mph
2100
73°F
W
8 mph
8 mph
July 17, friday
0000
75°F
W
8 mph
8 mph
0300
73°F
W
8 mph
8 mph
