Measurements:
°C
°F
CURRENT WEATHER
09:16
Oahu
80°F
W 6 mph
Feels like: 84°F
Precip: 8%
World Resorts USA Oahu Weather

14 Day Weather Forecast

08.05
wed
DAY
86°F
SW 6 mph
precip
13%
NIGHT
76°F
W 7 mph
precip
21%
08.06
thu
DAY
84°F
W 7 mph
precip
17%
NIGHT
76°F
SW 6 mph
precip
24%
08.07
fri
DAY
84°F
W 8 mph
precip
3%
NIGHT
78°F
W 9 mph
precip
23%
08.08
sat
DAY
82°F
W 12 mph
precip
17%
NIGHT
76°F
W 10 mph
precip
20%
08.09
sun
DAY
78°F
SW 9 mph
precip
29%
NIGHT
76°F
W 8 mph
precip
26%
08.10
mon
DAY
84°F
W 9 mph
precip
19%
NIGHT
76°F
W 6 mph
precip
22%
08.11
tue
DAY
86°F
W 10 mph
precip
11%
NIGHT
76°F
W 9 mph
precip
14%
08.12
wed
DAY
86°F
W 11 mph
precip
6%
NIGHT
78°F
W 9 mph
precip
20%
08.13
thu
DAY
84°F
W 12 mph
precip
4%
NIGHT
76°F
W 8 mph
precip
20%
08.14
fri
DAY
84°F
W 14 mph
precip
8%
NIGHT
76°F
W 11 mph
precip
14%
08.15
sat
DAY
86°F
W 12 mph
precip
5%
NIGHT
76°F
W 10 mph
precip
18%
08.16
sun
DAY
84°F
SW 13 mph
precip
5%
NIGHT
76°F
W 11 mph
precip
25%
08.17
mon
DAY
82°F
W 12 mph
precip
17%
NIGHT
76°F
W 9 mph
precip
17%
08.18
tue
DAY
84°F
W 13 mph
precip
13%
NIGHT
78°F
W 11 mph
precip
16%

Oahu Sea Water Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Oahu was 82.8°F. The maximum and minimum values were 81.8°F and 83.6°F respectively.

Oahu on the Weather Map

Best Time to Visit Oahu
The most sunny months:
January 8 days
September 6 days
August 6 days
The most warm months:
September 85.9 °F
August 85.7 °F
July 84.5 °F
Warmest sea temperature:
October 83.5 °F
September 83.4 °F
August 82.8 °F
The most cold months:
February 77.5 °F
March 78.5 °F
January 78.8 °F
The most rainy months:
March 1 day
April 1 day
December 1 day
The most windy months:
July 12 mph
May 11 mph
August 11 mph
more details
USA Resorts:
NAME
F°
Boston +94
Chicago +82
Hawaii +82
Houston +106
Las Vegas +124
Los Angeles +92
Maui +78
Miami +92
Myrtle Beach +84
New York +84
San Diego +80
San Francisco +62
Santa Monica +80
Sarasota +92
Washington +88
all resorts
24 Hours Weather Forecast
Oahu
Local time: 09:16
05 aug, wednesday
1200 86°F
SW
6 mph
1500 82°F
SW
7 mph
1800 80°F
SW
8 mph
2100 78°F
SW
6 mph
06 aug, thursday
0000 76°F
W
7 mph
0300 76°F
W
6 mph
0600 74°F
SW
4 mph
0900 80°F
W
6 mph