Current sea water temperature:
+73.8°F
| Minimum sea water temperature in September: | 77.0°F |
| Maximum sea water temperature in September: | 63.3°F |
| Average sea water temperature in September: | 69.2°F |
| more information | |
14 days
forecast
forecast
| Newport Beach |
monthly
weather
weather
| Newport Beach |
Sea water temperature for the last 10 days:
| September 17 | 73.8°F | September 12 | 73.4°F |
| September 16 | 73.9°F | September 11 | 72.1°F |
| September 15 | 74.5°F | September 10 | 72.5°F |
| September 14 | 75.2°F | September 9 | 72.5°F |
| September 13 | 73.4°F | September 8 | 72.3°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:
2026
2025
2024
The average sea water temperature in August of 2026 was 73.3°F. The highest and lowest sea temperatures during the month were 76.8°F and 70.0°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 73.9°F. The highest and lowest sea temperatures during the month were 77.0°F and 72.1°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 70.2°F. The highest and lowest sea temperatures during the month were 73.6°F and 66.7°F.
current
weather
weather
| Newport Beach |
weather in
September
September
| 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: 02:29
September 17, thursday
0300
70°F
NE
4 mph
4 mph
0600
70°F
NE
2 mph
2 mph
0900
72°F
NE
3 mph
3 mph
1200
75°F
E
9 mph
9 mph
1500
73°F
NE
12 mph
12 mph
1800
73°F
NE
11 mph
11 mph
2100
72°F
NE
6 mph
6 mph
September 18, friday
0000
70°F
NE
5 mph
5 mph
