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Water temperature in San Francisco (CA) in October

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Is it warm enough to swim in San Francisco in October? Average water temperature in San Francisco in October is 57.7°F and therefore is not suitable for comfortable swimming. The warmest sea in San Francisco in October is 63.9°F, and the coldest is 52.9°F. Average high air temperature in San Francisco in October is 69°F, and average low temperature is 54°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in San Francisco

Changes water temperature in San Francisco in October 2024, 2023

To get an accurate forecast for the water temperature in San Francisco for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in San Francisco, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of October.

You can choose any other years:

Year 1:   Year 2:


Day 2024 2023 Min Max
October 157.9°F57.7°F56.1°F62.6°F
October 259.2°F58.6°F55.8°F63.1°F
October 358.3°F59°F54.7°F63.1°F
October 459°F59.7°F52.9°F63.7°F
October 559.2°F60.3°F52.9°F63°F
October 659.4°F61.9°F53.6°F62.6°F
October 759.7°F61°F54°F62.6°F
October 858.6°F59.5°F54.9°F62.2°F
October 955.8°F59°F53.8°F62.8°F
October 1057°F57.7°F54°F63.3°F
October 1156.8°F59.7°F54.1°F63.9°F
October 1256.8°F59.7°F54.5°F63.9°F
October 1356.7°F59.4°F54.5°F63.7°F
October 1457.2°F58.6°F54.3°F63.9°F
October 1558.8°F55.8°F54.3°F63.5°F
Day 2024 2023 Min Max
October 1659.4°F57.4°F54.5°F63.7°F
October 1758.6°F59.4°F55.4°F63.5°F
October 1856.8°F59.9°F55.2°F63.3°F
October 1956.3°F60.4°F55°F63°F
October 2057.2°F60.4°F55°F62.8°F
October 2157.2°F61.3°F55.4°F62.8°F
October 2257.6°F59°F55.6°F62.6°F
October 2356.7°F61°F55.9°F63.3°F
October 2456.1°F60.4°F55°F63.1°F
October 2555.8°F59.7°F55.4°F63.5°F
October 2656.5°F58.8°F54.9°F63°F
October 2756.5°F58.5°F54.3°F63.1°F
October 2856.8°F58.1°F54°F63°F
October 2955.9°F57.7°F54°F63°F
October 3055.2°F57.4°F54.7°F62.8°F
October 3155.2°F57.7°F54.9°F62.6°F
San Francisco water temp chart in October

Average water temperature in San Francisco in October over a decade

20152016201720182019
63°F58.5°F57°F59°F55.9°F
20202021202220232024
58.1°F57°F56.5°F59.2°F57.4°F

San Francisco sea state in October

Chart comparing the height of waves in San Francisco in October over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in San Francisco in October

Weather and climate in San Francisco in October

This data display average monthly climate indicators in San Francisco in October based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

  • Average HIGH temperature69°F
  • Average LOW temperature54°F
  • Average rainfall days4 days
  • Average rainfall36mm/1.4''
  • Average daylight11h
  • Average sunshine8h
  • Average UV index5

San Francisco water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in October?

Want to know where the water temperature in October is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Best Beach Resorts in California in October

Places with the warmest average sea water temperature in California in October. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
San Diego66.9°F62.1°F73.8°F
Santa Monica66.4°F60.3°F73.2°F
La Jolla Cove67.3°F63°F73.6°F
Lake Tahoe58.6°F53.2°F64.2°F
Los Angeles66.4°F61°F73.8°F
Farallon Islands57.2°F52.5°F63.9°F
Linda Mar57.6°F53.6°F63°F
Pacifica State Beach57.6°F53.6°F63°F
Pacifica58.3°F54°F63.1°F
Montara57.6°F53.6°F63.1°F

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for San Francisco is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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