San Jose (CA)
October
Weather in San Jose, California for October 2026
Your guide to San Jose weather in October - trends and predictions
In general, the average temperature in San Jose at the beginning of October is 29.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.4 °C by the end of October.
With an average of 2 rainy days, San Jose experiences minimal rainfall in October.
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Temperatures
Rain 🌧️
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29
Dry days
2
Rainy days
0
Snow days
24°/13°
Temperatures
11 km/h
Avg max wind
57 %
Avg humidity
San Jose Weather October
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Temperatures trend during October in San Jose
See the weather trend as well as the moving average line
October weather in San Jose day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Partly cloudy | 26° /16° | 3.5 mm | 6 | |
| Oct. 2 | Partly cloudy | 28° /16° | 0 mm | 7 | |
| Oct. 3 |  Sunny | 27° /14° | 0 mm | 7 | |
| Oct. 4 | Sunny | 29° /16° | 0 mm | 7 | |
| Oct. 5 | Sunny | 31° /17° | 0 mm | 7 | |
| Oct. 6 | Sunny | 32° /18° | 0 mm | 7 | |
| Oct. 7 | Sunny | 34° /17° | 0 mm | 8 | |
| Oct. 8 | Sunny | 28° /14° | 0 mm | 7 | |
| Oct. 9 |  Patchy rain possible | 22° /13° | 0 mm | 5 | |
| Oct. 10 | Partly cloudy | 24° /13° | 0 mm | 6 | |
| Oct. 11 |  Overcast | 22° /12° | 0 mm | 5 | |
| Oct. 12 | Partly cloudy | 21° /11° | 0 mm | 6 | |
| Oct. 13 | Overcast | 20° /12° | 14.1 mm | 5 | |
| Oct. 14 |  Cloudy | 19° /11° | 0 mm | 4 | |
| Oct. 15 | Partly cloudy | 23° /12° | 0 mm | 6 | |
| Oct. 16 | Overcast | 21° /12° | 0 mm | 5 | |
| Oct. 17 |  Mist | 23° /11° | 0 mm | 5 | |
| Oct. 18 | Sunny | 28° /12° | 0 mm | 7 | |
| Oct. 19 | Sunny | 29° /13° | 0 mm | 8 | |
| Oct. 20 | Sunny | 29° /13° | 0 mm | 7 | |
| Oct. 21 | Overcast | 25° /13° | 0 mm | 6 | |
| Oct. 22 | Patchy rain possible | 21° /12° | 0.1 mm | 5 | |
| Oct. 23 | Mist | 22° /12° | 0 mm | 5 | |
| Oct. 24 | Partly cloudy | 22° /10° | 0 mm | 6 | |
| Oct. 25 | Overcast | 21° /12° | 0 mm | 5 | |
| Oct. 26 | Partly cloudy | 20° /11° | 0 mm | 5 | |
| Oct. 27 | Partly cloudy | 21° /11° | 0 mm | 5 | |
| Oct. 28 | Overcast | 21° /9° | 0 mm | 5 | |
| Oct. 29 | Sunny | 22° /9° | 0 mm | 6 | |
| Oct. 30 | Sunny | 18° /9° | 0 mm | 5 | |
| Oct. 31 | Overcast | 20° /10° | 0.1 mm | 5 | |
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Important Notice
Our weather forecast for San Jose 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 Jose forecast closer to your planned date for the most up-to-date weather information.
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San Jose in October - FAQ
What are the expected maximum and minimum temperatures in San Jose during October?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in San Jose during October?
Expect minimal rainfall in San Jose during October, with a total of 17.8 mm over approximately 2 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in San Jose during October?
The average wind speed in San Jose during October is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in San Jose
Explore the daily rainfall trends and prepare for San Joses October weather 💧
Typically, San Jose has 2 rainy days in October with a total of 17.8 mm of rainfall.
UV exposure in San Jose during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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