World Resorts USA Newport Beach Weather

Newport Beach sea water temperature

Current sea water temperature:
+71.2°F
Minimum sea water temperature in July: 72.3°F
Maximum sea water temperature in July: 63.7°F
Average sea water temperature in July: 67.9°F

Sea water temperature for the last 10 days:

July 18 71.2°F July 13 69.1°F
July 17 71.8°F July 12 69.6°F
July 16 70.3°F July 11 69.4°F
July 15 69.8°F July 10 68.2°F
July 14 70.2°F July 9 67.5°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:
2026
2025
2024

The average sea water temperature in July of 2026 was 68.8°F. The highest and lowest sea temperatures during the month were 71.8°F and 66.7°F.

Best time for vacation in Newport Beach

Sunniest months:
July 24 days
August 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:
January 63.9 °F
December 63.9 °F
March 64.1 °F
Rainiest months:
December 2 days
January 1 day
April 1 day
Windiest months:
May 6.7 mph
March 6.6 mph
April 6.5 mph

Newport Beach on a weather map

Newport Beach
+70°F
NE 6 mph
Feels like: +70°F
Precip.: 21%
Places in USA:
Name
°F
+70°F
+77°F
+95°F
+70°F
+82°F
+73°F
+79°F
+75°F
+72°F
+55°F
+68°F
+75°F
+75°F
+82°F
+70°F
24 Hours Forecast
Newport Beach
Local time: 19:45
July 18, saturday
2100
70°F
NE
6 mph
July 19, sunday
0000
68°F
NE
4 mph
0300
68°F
N
6 mph
0600
68°F
N
4 mph
0900
72°F
N
6 mph
1200
75°F
NE
9 mph
1500
75°F
NE
7 mph
1800
75°F
NE
7 mph
Units of measurement: °C / °F