World Resorts USA Newport Beach Weather

Newport Beach Sea Temperature in October

Average sea water temperature in October:
+66.5°F
Minimum sea water temperature in October: 71.6°F
Maximum sea water temperature in October: 59.9°F

Daily sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 66.2°F. The highest and lowest sea temperatures during the month were 68.0°F and 64.8°F.

Monthly sea water temperature in Newport Beach, °F

Which USA resorts have warmest sea in October?

Place name October 2025 October 2024
South Padre Island 84.0°F 82.4°F
Key West 83.8°F 82.9°F
Fort Lauderdale 83.5°F 83.0°F
Miami Beach 83.4°F 83.4°F
Islamorada 83.1°F 82.9°F
Key Largo 83.0°F 83.1°F
Miami 82.7°F 82.9°F
Everglades 82.5°F 82.6°F
Corpus Christi 82.2°F 80.6°F
Naples 81.9°F 81.6°F
Sanibel Island 81.6°F 81.3°F
Kauai 81.3°F 79.2°F
Cape Coral 81.1°F 81.2°F
Kailua Kona 80.9°F 80.6°F
Honolulu 80.7°F 80.6°F
Hawaii 80.6°F 80.5°F
Siesta Key 80.4°F 80.7°F
Houston 80.4°F 78.8°F
Sarasota 80.2°F 80.5°F
Maui 79.8°F 79.4°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
December 63.5 °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
+55°F
NW 2 mph
Feels like: +54°F
Precip.: 0%
Places in USA:
Name
°F
+37°F
+77°F
+77°F
+54°F
+59°F
+72°F
+75°F
+72°F
+30°F
+59°F
+59°F
+59°F
+57°F
+72°F
+34°F
24 Hours Forecast
Newport Beach
Local time: 20:13
December 20, saturday
2100
55°F
NW
2 mph
December 21, sunday
0000
54°F
NW
2 mph
0300
54°F
W
1 mph
0600
55°F
S
2 mph
0900
57°F
S
3 mph
1200
61°F
SE
6 mph
1500
63°F
E
7 mph
1800
61°F
E
8 mph
Units of measurement: °C / °F