Measurements:
°C
°F
CURRENT WEATHER
19:35
Oahu
72°F
SW 3 mph
Feels like: 72°F
Precip: 22%
World Resorts USA Oahu Weather

7 Day Weather Forecast

10.26
mon
DAY
86°F
SW 1 mph
precip
11%
NIGHT
72°F
W 2 mph
precip
16%
10.27
tue
DAY
84°F
W 1 mph
precip
13%
NIGHT
70°F
S 4 mph
precip
95%
10.28
wed
DAY
70°F
SW 5 mph
precip
38%
NIGHT
72°F
SW 4 mph
precip
32%
10.29
thu
DAY
74°F
SW 5 mph
precip
32%
NIGHT
72°F
SW 5 mph
precip
31%
10.30
fri
DAY
80°F
SW 8 mph
precip
18%
NIGHT
72°F
SW 4 mph
precip
32%
10.31
sat
DAY
80°F
SW 9 mph
precip
12%
NIGHT
70°F
S 4 mph
precip
22%
11.01
sun
DAY
78°F
SW 10 mph
precip
22%
NIGHT
70°F
SW 7 mph
precip
16%

Oahu Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Oahu was 26.7°F. The maximum and minimum values were 26.3°F and 27.1°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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