Measurements:
°C
°F
Newport Beach
74°F
E 6 mph
Feels like: 80°F
Precip: 2%
World Resorts USA Newport Beach Weather

Newport Beach Sea Water Temperature

Current Sea Water Temperature:
+75.2°F
Maximum Sea Water Temperature in October: 77.0°F
Minimum Sea Water Temperature in October: 61.0°F
Average water temperature in October: 69.1°F

Sea Water Temperature for the Last 10 Days:

October 26 75.2°F October 21 75.0°F
October 25 74.8°F October 20 74.6°F
October 24 74.8°F October 19 75.4°F
October 23 75.2°F October 18 75.0°F
October 22 75.0°F October 17 74.2°F

When is the Warmest Sea for Newport Beach?

According to our data for the last three years for Newport Beach the highest average sea water temperature was in August, September and July.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Newport Beach was 75.8°F. The maximum and minimum values were 72.2°F and 79.8°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Newport Beach was 76.4°F. The maximum and minimum values were 74.6°F and 80.0°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Newport Beach was 72.5°F. The maximum and minimum values were 68.6°F and 76.2°F respectively.

Best Time to Visit Newport Beach
The most sunny months:
July 23 days
August 23 days
September 21 days
The most warm months:
August 82.9 °F
September 81.3 °F
July 80.2 °F
Warmest sea temperature:
August 72.1 °F
September 71.6 °F
July 70.1 °F
The most cold months:
January 65.4 °F
December 65.4 °F
March 65.6 °F
The most rainy months:
December 2 days
January 1 day
April 1 day
The most windy months:
May 6 mph
March 6 mph
April 6 mph

Newport Beach on the Weather Map

USA Resorts:
NAME
F°
Boston +58
Chicago +58
Hawaii +80
Houston +74
Las Vegas +64
Los Angeles +74
Maui +72
Miami +82
New York +62
Panama City Beach +64
San Diego +74
San Francisco +60
Santa Monica +72
Tampa +72
Washington +58
24 Hours Weather Forecast
Newport Beach
Local time: 21:47
27 oct, tuesday
0000 72°F
NE
5 mph
0300 70°F
N
3 mph
0600 70°F
N
6 mph
0900 72°F
NW
6 mph
1200 76°F
N
8 mph
1500 76°F
N
10 mph
1800 74°F
N
7 mph
2100 72°F
N
5 mph