October is one of the best months to visit. Highs average about 70°F, fog is less common than in summer, and the first rains usually do not arrive until later in the month.
In this guide
This guide is part of our San Francisco weather by month hub. For trip planning, see the San Francisco visitors guide.
October averages, San Francisco Downtown
- Average high 70°F
- Average low 54°F
- Average rainfall 0.9 inch
- Rainy days 2 (days with at least 0.1 inch)
- Source NOAA 1991 to 2020 climate normals
What the weather is like
Days are often sunny and calm. Warm spells are common early in the month. Daylight saving time ends on the first Sunday of November, so late October evenings get dark earlier.
These averages come from the downtown station. Neighborhoods near Ocean Beach are often cooler and grayer, and the Mission and SoMa are often warmer. In October the station records about 2 days with measurable rain in an average year.
What to pack
Bring light layers, a jacket for the evening and sunglasses. A small umbrella is useful toward the end of the month. Our San Francisco packing list covers the basics for every season.
What is on in October
Fleet Week brings the Blue Angels over the bay, and Hardly Strictly Bluegrass plays free in Golden Gate Park. See San Francisco events in October for dates and details.
Planning around the weather
Compare October with the months either side: September and November. If you are still choosing dates, read the best time to visit San Francisco.
Official resources: NOAA U.S. climate normals, National Weather Service Bay Area forecast.
Frequently asked questions
How warm is San Francisco in October?
The average high at the downtown station is 70°F and the average low is 54°F.
Does it rain in October in San Francisco?
Not much. October averages under an inch of rain, mostly late in the month.
Photo credits
Featured image: King of Hearts / Wikimedia Commons, CC BY-SA 3.0.