Measurements:
°C
°F
CURRENT WEATHER
07:05
Oahu
72°F
W 9 mph
Feels like: 72°F
Precip: 75%
World Resorts USA Oahu Weather

7 Day Weather Forecast

05.14
thu
DAY
82°F
W 11 mph
precip
67%
NIGHT
74°F
W 7 mph
precip
66%
05.15
fri
DAY
78°F
N 6 mph
precip
100%
NIGHT
72°F
SW 4 mph
precip
0%
05.16
sat
DAY
84°F
W 2 mph
precip
65%
NIGHT
76°F
W 5 mph
precip
60%
05.17
sun
DAY
84°F
SW 2 mph
precip
88%
NIGHT
76°F
W 7 mph
precip
65%
05.18
mon
DAY
82°F
W 9 mph
precip
100%
NIGHT
74°F
W 10 mph
precip
66%
05.19
tue
DAY
80°F
SW 13 mph
precip
68%
NIGHT
74°F
SW 11 mph
precip
29%
05.20
wed
DAY
78°F
SW 16 mph
precip
100%
NIGHT
74°F
SW 14 mph
precip
68%

Oahu Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Oahu was 25.1°F. The maximum and minimum values were 24.7°F and 25.4°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 84.7 °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 12 mph
June 11 mph
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