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Weather in City and County of San Francisco for October 2025

Your guide to City and County of San Francisco weather in October - trends and predictions
  • In general, the average temperature in City and County of San Francisco at the beginning of October is 23.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.4 °F by the end of October.

  • With an average of 3 rainy days, City and County of San Francisco experiences minimal rainfall in October.

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Average dry days
28
Dry days
Average rainy days
3
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/12°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
69 %
Avg humidity

City and County of San Francisco in October average weather

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Temperatures trend during October in City and County of San Francisco

See the weather trend as well as the moving average line

October weather day by day

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Date Weather Temperatures Rain UV More
Oct. 1 Mist
Mist
24° /14° 0 mm 6
Oct. 2 Fog
Fog
22° /14° 0 mm 6
Oct. 3 Mist
Mist
22° /13° 0 mm 6
Oct. 4 Partly cloudy
Partly cloudy
22° /14° 0 mm 6
Oct. 5 Sunny
Sunny
27° /16° 0 mm 7
Oct. 6 Partly cloudy
Partly cloudy
23° /15° 0 mm 6
Oct. 7 Partly cloudy
Partly cloudy
22° /14° 0 mm 6
Oct. 8 Partly cloudy
Partly cloudy
17° /11° 0 mm 5
Oct. 9 Light rain
Light rain
16° /12° 0.4 mm 4
Oct. 10 Patchy rain possible
Patchy rain possible
16° /12° 0.2 mm 4
Oct. 11 Sunny
Sunny
16° /12° 0 mm 4
Oct. 12 Partly cloudy
Partly cloudy
18° /12° 0 mm 5
Oct. 13 Mist
Mist
17° /12° 0 mm 4
Oct. 14 Patchy rain possible
Patchy rain possible
17° /12° 0 mm 4
Oct. 15 Mist
Mist
19° /12° 0 mm 5
Oct. 16 Mist
Mist
17° /12° 0 mm 4
Oct. 17 Mist
Mist
19° /12° 0 mm 5
Oct. 18 Fog
Fog
23° /12° 0 mm 6
Oct. 19 Partly cloudy
Partly cloudy
24° /13° 0 mm 7
Oct. 20 Mist
Mist
19° /12° 0 mm 5
Oct. 21 Patchy rain possible
Patchy rain possible
15° /11° 0 mm 4
Oct. 22 Patchy rain possible
Patchy rain possible
16° /11° 0.2 mm 4
Oct. 23 Fog
Fog
17° /11° 0 mm 4
Oct. 24 Fog
Fog
20° /12° 0 mm 6
Oct. 25 Cloudy
Cloudy
18° /13° 0 mm 5
Oct. 26 Partly cloudy
Partly cloudy
19° /11° 0 mm 5
Oct. 27 Overcast
Overcast
17° /12° 0 mm 4
Oct. 28 Partly cloudy
Partly cloudy
16° /9° 0 mm 4
Oct. 29 Sunny
Sunny
18° /9° 0 mm 6
Oct. 30 Sunny
Sunny
16° /10° 0 mm 5
Oct. 31 Overcast
Overcast
18° /11° 1 mm 5
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Important Notice
Our weather forecast for City and County of San Francisco in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the City and County of San Francisco forecast closer to your planned date for the most up-to-date weather information.

City and County of San Francisco in October - FAQ

What are the expected maximum and minimum temperatures in City and County of San Francisco during October?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in City and County of San Francisco during October?
Rainfall in City and County of San Francisco during October is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 3 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in City and County of San Francisco during October?
The average wind speed in City and County of San Francisco during October is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

October rainfall patterns in City and County of San Francisco

Explore the daily rainfall trends and prepare for City and County of San Franciscos October weather 💧

UV exposure in City and County of San Francisco during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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Location coordinates Where is City and County of San Francisco?

Get accurate weather forecasts for City and County of San Francisco, located at latitude 37.775 and longitude -122.419. Stay updated with localized weather information tailored for City and County of San Francisco.

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