World Resorts USA Santa Catalina Island Weather

Santa Catalina Island Sea Temperature in October

Average sea water temperature in October:
+68.5°F
Minimum sea water temperature in October: 74.3°F
Maximum sea water temperature in October: 62.8°F

Daily sea water temperature in October, °F

Show year:
2026
2025
2024

The average sea water temperature in October of 2026 was 72.0°F. The highest and lowest sea temperatures during the month were 74.3°F and 70.2°F.

Monthly sea water temperature in Santa Catalina Island, °F

Which USA resorts have warmest sea in October?

Place name October 2026 October 2025
West Palm Beach 85.0°F 83.5°F
Fort Lauderdale 85.0°F 83.5°F
Key West 84.8°F 83.8°F
Miami Beach 84.5°F 83.4°F
Key Largo 84.5°F 83.0°F
Miami 83.9°F 82.7°F
Naples 83.4°F 81.9°F
Port St. Lucie 83.3°F 80.2°F
Corpus Christi 82.6°F 82.2°F
Siesta Key 82.6°F 80.4°F
Sarasota 82.3°F 80.2°F
Cape Coral 82.3°F 81.1°F
Cocoa Beach 81.6°F 79.2°F
Galveston 81.4°F 80.8°F
Houston 81.2°F 80.4°F
Tampa 81.1°F 79.4°F
Panama City Beach 80.9°F 79.2°F
Orlando 80.7°F 78.4°F
Honolulu 80.7°F 80.7°F
Santa Rosa Beach 80.6°F 78.9°F

Best time for vacation in Santa Catalina Island

Sunniest months:
July 23 days
August 23 days
October 21 days
Warmest months:
August 75.8 °F
September 74.2 °F
July 73.4 °F
Warmest sea temp:
August 70.9 °F
September 70.8 °F
July 68.7 °F
Coldest months:
December 61.9 °F
January 62.3 °F
March 62.5 °F
Rainiest months:
January 2 days
December 2 days
February 1 day
Windiest months:
March 8.5 mph
February 7.8 mph
April 7.7 mph

Santa Catalina Island on a weather map

Santa Catalina Island
+63°F
SE 11 mph
Feels like: +63°F
Precip.: 15%
Places in USA:
Name
°F
+52°F
+63°F
+77°F
+59°F
+64°F
+81°F
+63°F
+57°F
+68°F
+59°F
+64°F
+75°F
+82°F
+64°F
24 Hours Forecast
Santa Catalina Island
Local time: 08:58
October 23, friday
0900
63°F
SE
11 mph
1200
63°F
SE
12 mph
1500
64°F
SE
13 mph
1800
64°F
SE
14 mph
2100
64°F
SE
9 mph
October 24, saturday
0000
64°F
E
7 mph
0300
64°F
SE
4 mph
0600
66°F
SE
2 mph
Units of measurement: °C / °F