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
Marco Island 82.0°F 81.9°F
Naples 81.9°F 81.6°F
Princeville 81.3°F 79.2°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

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
SE 7 mph
Feels like: +55°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+45°F
+55°F
+70°F
+77°F
+70°F
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+5°F
24 Hours Forecast
Newport Beach
Local time: 21:43
December 05, friday
0000
55°F
S
2 mph
0300
52°F
S
3 mph
0600
48°F
SW
1 mph
0900
52°F
NW
1 mph
1200
66°F
NE
3 mph
1500
70°F
NE
5 mph
1800
64°F
NE
5 mph
2100
61°F
NE
3 mph
Units of measurement: °C / °F