Current sea water temperature:
+63.0°F
| Minimum sea water temperature in December: | 64.2°F |
| Maximum sea water temperature in December: | 58.1°F |
| Average sea water temperature in December: | 60.7°F |
| more information | |
14 days
forecast
forecast
| Newport Beach |
monthly
weather
weather
| Newport Beach |
Sea water temperature for the last 10 days:
| December 20 | 63.0°F | December 15 | 63.3°F |
| December 19 | 63.3°F | December 14 | 63.5°F |
| December 18 | 62.8°F | December 13 | 63.9°F |
| December 17 | 62.8°F | December 12 | 63.7°F |
| December 16 | 63.0°F | December 11 | 63.3°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:
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
December
December
| 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: 20:12
December 20, saturday
2100
55°F
NW
2 mph
2 mph
December 21, sunday
0000
54°F
NW
2 mph
2 mph
0300
54°F
W
1 mph
1 mph
0600
55°F
S
2 mph
2 mph
0900
57°F
S
3 mph
3 mph
1200
61°F
SE
6 mph
6 mph
1500
63°F
E
7 mph
7 mph
1800
61°F
E
8 mph
8 mph
