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The Weather in San Francisco in October

Updated: September 13, 2023

This post is a summary of the weather in San Francisco, with tips on what to wear and things to do.

As a retired meteorologist turned tour guide, I didn't expect that I would use my experience as a forecaster in my new career in tourism.

But here I am, finding myself answering more weather questions as a blogger than I ever did as a weatherman.

So, here are answers to some frequently asked questions about the weather in Berlin in October.


October is one of the best months to visit San Francisco!

The weather here during the month of October is great for touring and other activities.

In the afternoons throughout the month, the temperature typically stays mild (normally in the high-60s F or 17-20 C).

Early morning and nighttime lows are in the high-50s F (13-15 C).

Average Temps in San Francisco in October

Although the mornings and evenings will normally be foggy and chilly, the afternoons have plenty of sunshine, with perfect walking tour weather!

As always in San Francisco, it can be windy near the coastline.

However, most of the best places to visit in San Francisco are shielded from the wind and shouldn't be too chilly.


Typically, you won't need an umbrella unless you are visiting late in the month.

On average, we get 3 - 4 days of rain in the month of October, mostly towards the end of the month.

How much rain in October in San Francisco

And generally only one of those days will be "heavy" rain, meaning over half an inch (or 13 mm).

Seasonal Outlook - October to December 2023 San Francisco

There is a 77% chance for normal to above normal temperatures and a 77% chance for normal to below normal rainfall.


As with most months in San Francisco, it is best to dress in layers.

Shorts are not recommended unless there is a particularly warm day (though remember that it will get colder when the sun goes down!)

What to Wear in October in San Francisco

Jeans or long pants, with sweaters and a light jacket, should do fine.


There are more things to do in October than we can list here.

So, be sure to read our full post on what to do and see this month, as well as our master post for any time of the year.

Below are our top choices.

If you are planning on visiting many of San Francisco's top attractions, then you should consider a tourist discount pass.

With these passes, you could save up to 50% of retail ticket prices to tours, attractions, and restaurants.

  1. Fleet Week
  2. Take a Walking Tour
  3. Castro Street Fair
  4. Italian Heritage Parade
  5. Brews on the Bay
  6. Wharf Festival
  7. Halloween Party
  8. Hike the Presidio
  9. Visit Alcatraz
  10. Beach Blanket Babylon

Find out more and read our full post on what to do and see this month,

Written by Fred Pickhardt

Ocean Weather Services

About The Author

Fred Pickhardt

Fred is a marine meteorologist and sailed briefly with American Export Lines in the Far East trade. He has extensive experience in weather analysis, weather forecasting, and forensic weather event reconstructions. Fred founded Ocean Weather Services and currently provides forensic marine weather reports to the maritime industry.
Updated: September 13th, 2023
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