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 22.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.7 °F by the end of October.
With an average of 4 rainy days, San Francisco experiences minimal rainfall in October.
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Temperatures
Rain 🌧️
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27
Dry days
4
Rainy days
0
Snow days
19°/12°
Temperatures
15 km/h
Avg max wind
72 %
Avg humidity
San Francisco in October average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  23° | 2 23° | 3 23° | 4  22° | 5 24° | ||
| 6 22° | 7  21° | 8 19° | 9 18° | 10 19° | 11 18° | 12 19° |
| 13  17° | 14 19° | 15 20° | 16 20° | 17  19° | 18 21° | 19 23° |
| 20  20° | 21  17° | 22 17° | 23 17° | 24 19° | 25 17° | 26 18° |
| 27 18° | 28 19° | 29 18° | 30  17° | 31 17° |
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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 | Sunny | 23° /13° | 0 mm | 6 | |
| Oct. 2 | Sunny | 23° /13° | 0 mm | 6 | |
| Oct. 3 | Sunny | 23° /13° | 0 mm | 6 | |
| Oct. 4 | Overcast | 22° /14° | 0 mm | 6 | |
| Oct. 5 | Sunny | 24° /14° | 0 mm | 6 | |
| Oct. 6 | Overcast | 22° /14° | 0 mm | 5 | |
| Oct. 7 | Cloudy | 21° /13° | 0 mm | 5 | |
| Oct. 8 | Cloudy | 19° /12° | 0 mm | 5 | |
| Oct. 9 | Sunny | 18° /11° | 0.2 mm | 5 | |
| Oct. 10 | Sunny | 19° /12° | 0.1 mm | 5 | |
| Oct. 11 | Sunny | 18° /11° | 0 mm | 5 | |
| Oct. 12 | Sunny | 19° /11° | 0 mm | 5 | |
| Oct. 13 | Mist | 17° /12° | 0.2 mm | 4 | |
| Oct. 14 | Sunny | 19° /12° | 0 mm | 5 | |
| Oct. 15 | Sunny | 20° /12° | 0 mm | 5 | |
| Oct. 16 | Sunny | 20° /12° | 0 mm | 5 | |
| Oct. 17 | Patchy rain possible | 19° /12° | 0.4 mm | 4 | |
| Oct. 18 | Sunny | 21° /11° | 0 mm | 6 | |
| Oct. 19 | Overcast | 23° /13° | 0.1 mm | 6 | |
| Oct. 20 | Heavy rain at times | 20° /13° | 1.5 mm | 5 | |
| Oct. 21 | Moderate rain at times | 17° /12° | 0.2 mm | 4 | |
| Oct. 22 | Moderate or heavy rain shower | 17° /12° | 2.2 mm | 4 | |
| Oct. 23 | Fog | 17° /11° | 0.6 mm | 4 | |
| Oct. 24 | Sunny | 19° /12° | 18.8 mm | 5 | |
| Oct. 25 | Heavy rain at times | 17° /12° | 2.2 mm | 5 | |
| Oct. 26 | Cloudy | 18° /11° | 0 mm | 5 | |
| Oct. 27 | Sunny | 18° /11° | 0 mm | 5 | |
| Oct. 28 | Sunny | 19° /10° | 0 mm | 5 | |
| Oct. 29 | Sunny | 18° /10° | 0 mm | 5 | |
| Oct. 30 | Partly cloudy | 17° /11° | 0 mm | 5 | |
| Oct. 31 | Overcast | 17° /11° | 0.5 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 19° 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?
In October, San Francisco can expect light to moderate rainfall, totaling 26.9 mm across approximately 4 days. Occasional showers are possible, and planning ahead for them could be helpful.
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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