World Resorts USA San Francisco Weather

San Francisco Sea Temperature in October

Average sea water temperature in October:
+60.7°F
Minimum sea water temperature in October: 65.7°F
Maximum sea water temperature in October: 54.7°F

Daily sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 63.8°F. The highest and lowest sea temperatures during the month were 65.3°F and 62.4°F.

Monthly sea water temperature in San Francisco, °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
Key Largo 83.0°F 83.1°F
Hialeah 82.9°F 83.0°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
Kauai 81.3°F 79.2°F
Cape Coral 81.1°F 81.2°F
Galveston 80.8°F 78.8°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
Hilo 80.3°F 79.7°F
Sarasota 80.2°F 80.5°F

Best time for vacation in San Francisco

Sunniest months:
June 18 days
October 18 days
April 17 days
Warmest months:
August 65.5 °F
September 65.0 °F
October 64.2 °F
Warmest sea temp:
September 62.0 °F
August 61.7 °F
October 60.7 °F
Coldest months:
December 54.3 °F
January 54.7 °F
February 55.7 °F
Rainiest months:
March 4 days
December 4 days
January 4 days
Windiest months:
May 9.9 mph
June 9.7 mph
April 9.4 mph

San Francisco on a weather map

San Francisco
+70°F
SE 21 mph
Feels like: +70°F
Precip.: 0%
Places in USA:
Name
°F
+66°F
+79°F
+79°F
+93°F
+72°F
+81°F
+82°F
+75°F
+72°F
+64°F
+70°F
+79°F
+81°F
+77°F
+68°F
24 Hours Forecast
San Francisco
Local time: 18:13
May 16, saturday
2100
57°F
SE
13 mph
May 17, sunday
0000
54°F
SE
9 mph
0300
52°F
SE
6 mph
0600
52°F
SE
5 mph
0900
55°F
SE
4 mph
1200
61°F
SE
8 mph
1500
63°F
E
15 mph
1800
66°F
SE
14 mph
Units of measurement: °C / °F