San Francisco
October
Weather in San Francisco for October 2025
Your guide to San Francisco weather in October - trends and predictions
In general, the average temperature in 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, 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
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 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 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 San Francisco forecast closer to your planned date for the most up-to-date weather information.
San Francisco in October - FAQ
What are the expected maximum and minimum temperatures in 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 San Francisco during October?
Rainfall in 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 San Francisco during October?
The average wind speed in San Francisco during October is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in San Francisco
Explore the daily rainfall trends and prepare for San Franciscos October weather 💧
UV exposure in San Francisco during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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