The highest day temperature in October 2023 was 82°F. The lowest night temperature was 54°F. The average values for day and night temperatures during October were 66.1°F и 59.2°F respectivly.

The average sea surface temperature in October 2023 for San Francisco was 64.5°F. The maximum and minimum values were 61.4°F and 67.4°F respectively.

Most of the days in October are sunny but you can also expect cloudy and gloomy days.

Precipitation total in October for San Francisco is 0.4 in.

The average wind speed in October is 7.0 mph. It makes October one of the most windless months of the year for San Francisco.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for San Francisco in October is 7.8 hours.