World Resorts USA Newport Beach Weather

Newport Beach sea water temperature

Current sea water temperature:
+61.7°F
Minimum sea water temperature in March: 62.1°F
Maximum sea water temperature in March: 54.9°F
Average sea water temperature in March: 58.5°F

Sea water temperature for the last 10 days:

March 16 61.7°F March 11 59.9°F
March 15 61.5°F March 10 59.5°F
March 14 61.3°F March 9 59.9°F
March 13 60.3°F March 8 59.9°F
March 12 60.3°F March 7 60.8°F

When is the warmest sea in Newport Beach?

Based on the data about daily sea water temperature for the last three years the warmest sea in Newport Beach was noticed in August, September and July.

Monthly Sea Temperatures in Newport Beach, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 70.6°F. The highest and lowest sea temperatures during the month were 74.1°F and 64.9°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 69.5°F. The highest and lowest sea temperatures during the month were 71.8°F and 66.7°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 67.1°F. The highest and lowest sea temperatures during the month were 69.8°F and 64.8°F.

Best time for vacation in Newport Beach

Sunniest months:
August 24 days
July 24 days
October 22 days
Warmest months:
August 79.0 °F
September 78.0 °F
July 77.1 °F
Warmest sea temp:
August 69.3 °F
September 68.7 °F
July 67.8 °F
Coldest months:
March 62.7 °F
January 63.9 °F
December 63.9 °F
Rainiest months:
December 2 days
January 1 day
April 1 day
Windiest months:
March 6.7 mph
May 6.7 mph
April 6.4 mph

Newport Beach on a weather map

Newport Beach
+63°F
E 4 mph
Feels like: +63°F
Precip.: 0%
Places in USA:
Name
°F
+37°F
+75°F
+75°F
+68°F
+66°F
+73°F
+75°F
+70°F
+52°F
+66°F
+68°F
+61°F
+59°F
+39°F
+19°F
24 Hours Forecast
Newport Beach
Local time: 21:26
March 17, tuesday
0000
59°F
N
5 mph
0300
59°F
SW
0 mph
0600
59°F
N
2 mph
0900
66°F
E
1 mph
1200
79°F
NE
4 mph
1500
79°F
NE
7 mph
1800
72°F
E
6 mph
2100
66°F
E
3 mph
Units of measurement: °C / °F