Average sea water temperature in October:
+66.8°F
| Minimum sea water temperature in October: | 73.6°F |
| Maximum sea water temperature in October: | 61.0°F |
Daily sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 65.8°F. The highest and lowest sea temperatures during the month were 67.6°F and 63.1°F.
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| San Diego |
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| San Diego |
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| San Diego |
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| San Diego |
Monthly sea water temperature in San Diego, °F
Which USA resorts have warmest sea in October?
| Place name | October 2025 | October 2024 |
|---|---|---|
| Key West | 83.8°F | 82.9°F |
| West Palm Beach | 83.5°F | 83.3°F |
| Fort Lauderdale | 83.5°F | 83.0°F |
| Miami Beach | 83.4°F | 83.4°F |
| Miami | 82.7°F | 82.9°F |
| Naples | 81.9°F | 81.6°F |
| Kauai | 81.3°F | 79.2°F |
| Honolulu | 80.7°F | 80.6°F |
| Hawaii | 80.6°F | 80.5°F |
| Houston | 80.4°F | 78.8°F |
| Sarasota | 80.2°F | 80.5°F |
| Maui | 79.8°F | 79.4°F |
| Oahu | 79.8°F | 80.2°F |
| Tampa | 79.4°F | 79.3°F |
| Panama City Beach | 79.2°F | 78.9°F |
| Fort Walton Beach | 79.2°F | 78.6°F |
| Cocoa Beach | 79.2°F | 79.9°F |
| Pensacola Beach | 79.1°F | 78.1°F |
| Destin | 79.0°F | 78.5°F |
| Santa Rosa Beach | 78.9°F | 78.6°F |
Best time for vacation in San Diego
San Diego on a weather map
Places in USA:
Name
°F
24 Hours Forecast
San Diego
Local time: 13:19
August 25, tuesday
1500
77°F
E
7 mph
7 mph
1800
77°F
E
7 mph
7 mph
2100
75°F
E
2 mph
2 mph
August 26, wednesday
0000
77°F
NE
4 mph
4 mph
0300
75°F
NE
4 mph
4 mph
0600
73°F
NE
3 mph
3 mph
0900
77°F
N
6 mph
6 mph
1200
77°F
N
11 mph
11 mph
