Measurements:
°C
°F
CURRENT WEATHER
13:49
Oahu
82°F
SW 9 mph
Feels like: 84°F
Precip: 10%
World Resorts USA Oahu Weather

7 Day Weather Forecast

10.05
mon
DAY
82°F
SW 10 mph
precip
12%
NIGHT
74°F
SW 5 mph
precip
21%
10.06
tue
DAY
84°F
W 5 mph
precip
11%
NIGHT
74°F
W 3 mph
precip
10%
10.07
wed
DAY
86°F
NE 6 mph
precip
9%
NIGHT
74°F
N 3 mph
precip
11%
10.08
thu
DAY
84°F
N 8 mph
precip
57%
NIGHT
76°F
N 4 mph
precip
29%
10.09
fri
DAY
88°F
N 11 mph
precip
9%
NIGHT
76°F
SE 2 mph
precip
12%
10.10
sat
DAY
84°F
NE 2 mph
precip
26%
NIGHT
74°F
SW 4 mph
precip
31%
10.11
sun
DAY
78°F
SW 4 mph
precip
32%
NIGHT
72°F
SW 4 mph
precip
24%

Oahu Sea Water Temperature in October, °F

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Oahu was 26.5°F. The maximum and minimum values were 26.1°F and 26.8°F respectively.

Oahu on the Weather Map

Best Time to Visit Oahu
The most sunny months:
January 8 days
September 5 days
August 5 days
The most warm months:
September 85.3 °F
August 85.3 °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
June 11 mph
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