Current sea water temperature:
+65.1°F
| Minimum sea water temperature in May: | 67.8°F |
| Maximum sea water temperature in May: | 59.5°F |
| Average sea water temperature in May: | 62.8°F |
| more information | |
14 days
forecast
forecast
| Newport Beach |
monthly
weather
weather
| Newport Beach |
Sea water temperature for the last 10 days:
| May 17 | 65.1°F | May 12 | 65.5°F |
| May 16 | 64.4°F | May 11 | 63.9°F |
| May 15 | 64.6°F | May 10 | 62.2°F |
| May 14 | 65.1°F | May 9 | 61.9°F |
| May 13 | 65.5°F | May 8 | 61.5°F |
Monthly sea water temperature, °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.
current
weather
weather
| Newport Beach |
weather in
May
May
| Newport Beach |
Best time for vacation in Newport Beach
Newport Beach on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Newport Beach
Local time: 21:56
May 18, monday
0000

61°F
NW
12 mph
12 mph
0300

61°F
NW
14 mph
14 mph
0600

61°F
NW
11 mph
11 mph
0900

64°F
NW
7 mph
7 mph
1200

68°F
NE
9 mph
9 mph
1500

66°F
NE
12 mph
12 mph
1800

64°F
NE
9 mph
9 mph
2100

63°F
N
5 mph
5 mph




























