Measurements:
°C
°F
CURRENT WEATHER
11:59
Oahu
82°F
W 13 mph
Feels like: 86°F
Precip: 12%
World Resorts USA Oahu Weather

14 Day Weather Forecast

08.25
tue
DAY
82°F
W 13 mph
precip
12%
NIGHT
74°F
W 11 mph
precip
8%
08.26
wed
DAY
82°F
W 14 mph
precip
2%
NIGHT
74°F
W 10 mph
precip
23%
08.27
thu
DAY
82°F
W 11 mph
precip
13%
NIGHT
72°F
W 7 mph
precip
8%
08.28
fri
DAY
82°F
W 12 mph
precip
12%
NIGHT
72°F
W 9 mph
precip
21%
08.29
sat
DAY
80°F
W 12 mph
precip
3%
NIGHT
74°F
W 7 mph
precip
21%
08.30
sun
DAY
82°F
W 12 mph
precip
5%
NIGHT
74°F
SW 7 mph
precip
34%
08.31
mon
DAY
82°F
SW 9 mph
precip
20%
NIGHT
76°F
SW 9 mph
precip
30%
09.01
tue
DAY
80°F
SW 12 mph
precip
20%
NIGHT
76°F
W 9 mph
precip
22%
09.02
wed
DAY
82°F
W 12 mph
precip
12%
NIGHT
76°F
W 8 mph
precip
21%
09.03
thu
DAY
80°F
W 11 mph
precip
19%
NIGHT
74°F
SW 6 mph
precip
16%
09.04
fri
DAY
82°F
W 11 mph
precip
2%
NIGHT
74°F
W 7 mph
precip
38%
09.05
sat
DAY
80°F
W 12 mph
precip
11%
NIGHT
72°F
W 6 mph
precip
11%
09.06
sun
DAY
82°F
W 8 mph
precip
5%
NIGHT
74°F
W 5 mph
precip
16%
09.07
mon
DAY
84°F
N 4 mph
precip
1%
NIGHT
74°F
SW 4 mph
precip
6%

Oahu Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Oahu was 83.5°F. The maximum and minimum values were 83.0°F and 84.4°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 82.9 °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 +80
Chicago +78
Hawaii +84
Houston +106
Las Vegas +116
Los Angeles +96
Maui +70
Miami +90
Myrtle Beach +84
New York +86
San Diego +96
San Francisco +74
Santa Monica +86
Sarasota +92
Washington +88
all resorts
24 Hours Weather Forecast
Oahu
Local time: 11:59
25 aug, tuesday
1200 82°F
W
13 mph
1500 82°F
W
12 mph
1800 76°F
W
11 mph
2100 74°F
W
9 mph
26 aug, wednesday
0000 74°F
W
11 mph
0300 72°F
W
11 mph
0600 72°F
W
10 mph
0900 78°F
W
14 mph