World Resorts USA Oahu Weather

Oahu 7 Days Forecast

16.03
mon
Day
73°F
NE 5 mph
Precip.
86%
Night
70°F
E 2 mph
Precip.
0%
17.03
tue
Day
73°F
SE 1 mph
Precip.
0%
Night
68°F
SW 4 mph
Precip.
88%
18.03
wed
Day
75°F
NW 2 mph
Precip.
74%
Night
70°F
W 3 mph
Precip.
87%
19.03
thu
Day
77°F
N 9 mph
Precip.
100%
Night
70°F
N 5 mph
Precip.
100%
20.03
fri
Day
75°F
NE 7 mph
Precip.
100%
Night
70°F
N 7 mph
Precip.
100%
21.03
sat
Day
72°F
N 10 mph
Precip.
100%
Night
70°F
N 7 mph
Precip.
100%
22.03
sun
Day
68°F
NE 7 mph
Precip.
100%
Night
66°F
N 6 mph
Precip.
100%

Sea water temperature in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 74.8°F. The highest and lowest sea temperatures during the month were 75.0°F and 74.3°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
January 76.0 °F
March 76.0 °F
Rainiest months:
December 1 day
March 1 day
February 1 day
Windiest months:
July 13.0 mph
May 11.8 mph
June 11.7 mph

Oahu on a weather map

Current weather
21:09
Oahu
+70°F
SE 3 mph
Feels like: +70°F
Precip.: 0%
Places in USA:
Name
°F
Washington
+32°F
Hawaii
+75°F
Honolulu
+75°F
Las Vegas
+64°F
Los Angeles
+61°F
Miami
+70°F
Miami Beach
+72°F
Maui
+70°F
New York
+39°F
San Diego
+61°F
San Francisco
+64°F
Sarasota
+55°F
Tampa
+48°F
Houston
+37°F
Chicago
+18°F
all places
24 Hours Forecast
Oahu
Local time: 21:09
March 17, tuesday
0000
70°F
E
2 mph
0300
68°F
S
4 mph
0600
68°F
SE
1 mph
0900
70°F
N
2 mph
1200
73°F
SE
1 mph
1500
75°F
S
2 mph
1800
72°F
SW
4 mph
2100
70°F
SW
4 mph
Units of measurement: °C / °F