City and County of San Francisco
October
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, ensuring that most days remain pleasantly dry.
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28
Dry days
3
Rainy days
0
Snow days
21°/12°
Temperatures
15 km/h
Avg max wind
69 %
Avg humidity
City and County of San Francisco in October average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2 22° | 3 22° | 4  22° | 5  27° | ||
| 6 23° | 7 22° | 8 17° | 9  16° | 10  16° | 11 16° | 12 18° |
| 13 17° | 14 17° | 15 19° | 16 17° | 17 19° | 18 23° | 19 24° |
| 20 19° | 21 15° | 22 16° | 23 17° | 24 20° | 25  18° | 26 19° |
| 27  17° | 28 16° | 29 18° | 30 16° | 31 18° |
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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 | 24° /14° | 0 mm | 6 | |
| Oct. 2 | Fog | 22° /14° | 0 mm | 6 | |
| Oct. 3 | Mist | 22° /13° | 0 mm | 6 | |
| Oct. 4 | Partly cloudy | 22° /14° | 0 mm | 6 | |
| Oct. 5 | Sunny | 27° /16° | 0 mm | 7 | |
| Oct. 6 | Partly cloudy | 23° /15° | 0 mm | 6 | |
| Oct. 7 | Partly cloudy | 22° /14° | 0 mm | 6 | |
| Oct. 8 | Partly cloudy | 17° /11° | 0 mm | 5 | |
| Oct. 9 | Light rain | 16° /12° | 0.4 mm | 4 | |
| Oct. 10 | Patchy rain possible | 16° /12° | 0.2 mm | 4 | |
| Oct. 11 | Sunny | 16° /12° | 0 mm | 4 | |
| Oct. 12 | Partly cloudy | 18° /12° | 0 mm | 5 | |
| Oct. 13 | Mist | 17° /12° | 0 mm | 4 | |
| Oct. 14 | Patchy rain possible | 17° /12° | 0 mm | 4 | |
| Oct. 15 | Mist | 19° /12° | 0 mm | 5 | |
| Oct. 16 | Mist | 17° /12° | 0 mm | 4 | |
| Oct. 17 | Mist | 19° /12° | 0 mm | 5 | |
| Oct. 18 | Fog | 23° /12° | 0 mm | 6 | |
| Oct. 19 | Partly cloudy | 24° /13° | 0 mm | 7 | |
| Oct. 20 | Mist | 19° /12° | 0 mm | 5 | |
| Oct. 21 | Patchy rain possible | 15° /11° | 0 mm | 4 | |
| Oct. 22 | Patchy rain possible | 16° /11° | 0.2 mm | 4 | |
| Oct. 23 | Fog | 17° /11° | 0 mm | 4 | |
| Oct. 24 | Fog | 20° /12° | 0 mm | 6 | |
| Oct. 25 | Cloudy | 18° /13° | 0 mm | 5 | |
| Oct. 26 | Partly cloudy | 19° /11° | 0 mm | 5 | |
| Oct. 27 | Overcast | 17° /12° | 0 mm | 4 | |
| Oct. 28 | Partly cloudy | 16° /9° | 0 mm | 4 | |
| Oct. 29 | Sunny | 18° /9° | 0 mm | 6 | |
| Oct. 30 | Sunny | 16° /10° | 0 mm | 5 | |
| Oct. 31 | 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.
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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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