World Resorts USA Newport Beach Weather

Newport Beach sea water temperature

Current sea water temperature:
+61.3°F
Minimum sea water temperature in January: 62.4°F
Maximum sea water temperature in January: 56.7°F
Average sea water temperature in January: 59.0°F

Sea water temperature for the last 10 days:

January 12 61.3°F January 7 61.9°F
January 11 61.3°F January 6 62.1°F
January 10 62.2°F January 5 62.2°F
January 9 62.2°F January 4 62.4°F
January 8 62.1°F January 3 62.2°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 63.1 °F
February 63.6 °F
Rainiest months:
January 2 days
December 2 days
February 1 day
Windiest months:
March 6.7 mph
May 6.7 mph
April 6.4 mph

Newport Beach on a weather map

Newport Beach
+77°F
SE 4 mph
Feels like: +77°F
Precip.: 0%
Places in USA:
Name
°F
+45°F
+72°F
+72°F
+68°F
+77°F
+73°F
+73°F
+70°F
+39°F
+77°F
+55°F
+70°F
+68°F
+63°F
+37°F
24 Hours Forecast
Newport Beach
Local time: 15:15
January 12, monday
1800
68°F
SE
6 mph
2100
59°F
SE
4 mph
January 13, tuesday
0000
55°F
SW
4 mph
0300
52°F
SW
4 mph
0600
50°F
SW
3 mph
0900
55°F
SW
4 mph
1200
68°F
SE
2 mph
1500
73°F
E
5 mph
Units of measurement: °C / °F