05.08
wed
wed
Day
82°F
SW 6 mph
Precip.
13%
13%
Night
73°F
W 7 mph
Precip.
21%
21%
06.08
thu
thu
Day
81°F
W 7 mph
Precip.
17%
17%
Night
73°F
SW 6 mph
Precip.
24%
24%
07.08
fri
fri
Day
81°F
W 8 mph
Precip.
3%
3%
Night
75°F
W 9 mph
Precip.
23%
23%
08.08
sat
sat
Day
79°F
W 12 mph
Precip.
17%
17%
Night
73°F
W 10 mph
Precip.
20%
20%
09.08
sun
sun
Day
75°F
SW 9 mph
Precip.
29%
29%
Night
73°F
W 8 mph
Precip.
26%
26%
10.08
mon
mon
Day
81°F
W 9 mph
Precip.
19%
19%
Night
73°F
W 6 mph
Precip.
22%
22%
11.08
tue
tue
Day
82°F
W 10 mph
Precip.
11%
11%
Night
73°F
W 9 mph
Precip.
14%
14%
12.08
wed
wed
Day
82°F
W 11 mph
Precip.
6%
6%
Night
75°F
W 9 mph
Precip.
20%
20%
13.08
thu
thu
Day
81°F
W 12 mph
Precip.
4%
4%
Night
73°F
W 8 mph
Precip.
20%
20%
14.08
fri
fri
Day
81°F
W 14 mph
Precip.
8%
8%
Night
73°F
W 11 mph
Precip.
14%
14%
15.08
sat
sat
Day
82°F
W 12 mph
Precip.
5%
5%
Night
73°F
W 10 mph
Precip.
18%
18%
16.08
sun
sun
Day
81°F
SW 13 mph
Precip.
5%
5%
Night
73°F
W 11 mph
Precip.
25%
25%
17.08
mon
mon
Day
79°F
W 12 mph
Precip.
17%
17%
Night
73°F
W 9 mph
Precip.
17%
17%
18.08
tue
tue
Day
81°F
W 13 mph
Precip.
13%
13%
Night
75°F
W 11 mph
Precip.
16%
16%
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 79.5°F. The highest and lowest sea temperatures during the month were 80.2°F and 78.6°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: 07:25
August 05, wednesday
0900
77°F
W
6 mph
6 mph
1200
82°F
SW
6 mph
6 mph
1500
79°F
SW
7 mph
7 mph
1800
77°F
SW
8 mph
8 mph
2100
75°F
SW
6 mph
6 mph
August 06, thursday
0000
73°F
W
7 mph
7 mph
0300
73°F
W
6 mph
6 mph
0600
72°F
SW
4 mph
4 mph
