World Resorts USA Oahu Weather

Oahu 7 Days Forecast

06.04
mon
Day
77°F
NW 5 mph
Precip.
85%
Night
68°F
W 3 mph
Precip.
77%
07.04
tue
Day
79°F
NE 2 mph
Precip.
100%
Night
70°F
N 3 mph
Precip.
0%
08.04
wed
Day
77°F
N 7 mph
Precip.
100%
Night
70°F
NW 7 mph
Precip.
100%
09.04
thu
Day
72°F
NW 12 mph
Precip.
70%
Night
70°F
NW 7 mph
Precip.
0%
10.04
fri
Day
70°F
N 6 mph
Precip.
100%
Night
70°F
N 11 mph
Precip.
100%
11.04
sat
Day
73°F
N 12 mph
Precip.
100%
Night
70°F
NE 7 mph
Precip.
100%
12.04
sun
Day
72°F
SE 6 mph
Precip.
0%
Night
68°F
NE 2 mph
Precip.
67%

Sea water temperature in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 76.4°F. The highest and lowest sea temperatures during the month were 78.1°F and 75.7°F.

Air temperature in Oahu, °F

Precipitation total in Oahu, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Oahu

Sunniest months:
January 8 days
September 6 days
August 6 days
Warmest months:
September 82.3 °F
August 82.2 °F
July 81.2 °F
Warmest sea temp:
October 80.2 °F
September 80.1 °F
August 79.5 °F
Coldest months:
February 74.8 °F
March 75.7 °F
January 76.0 °F
Rainiest months:
March 1 day
December 1 day
February 1 day
Windiest months:
July 13.0 mph
May 11.8 mph
June 11.7 mph

Oahu on a weather map

Oahu
+68°F
W 5 mph
Feels like: +68°F
Precip.: 100%
Places in USA:
Name
°F
+46°F
+72°F
+72°F
+61°F
+57°F
+75°F
+75°F
+64°F
+39°F
+59°F
+50°F
+72°F
+72°F
+57°F
+43°F
24 Hours Forecast
Oahu
Local time: 04:29
April 06, monday
0600
66°F
W
4 mph
0900
72°F
W
5 mph
1200
77°F
NW
5 mph
1500
75°F
NW
3 mph
1800
72°F
W
4 mph
2100
68°F
W
6 mph
April 07, tuesday
0000
68°F
W
3 mph
0300
68°F
W
3 mph
Units of measurement: °C / °F