Weather in San Jose, California for October 2026
So far, October 2026 in San Jose is slightly warmer than the historical average by 1.7 °C.
The forecast for the next days in San Jose predicts temperatures to be around 20 °C, close to the historical average.
In general, the average temperature in San Jose at the beginning of October is 30.5 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.1 °C by the end of October.
Precipitation in San Jose during October is a rare event, with an average of fewer than 2 rainy days.
Is October a good time to visit San Jose? check out the best time to travel to San Jose page.
✨ Is October a good time to visit San Jose? – Ask the AI Weatherman
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San Jose Weather October
Temperatures trend during October in San Jose
October weather in San Jose day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Light rain | 27° /16° | 2.6 mm | 6 | |
| Oct. 2 |  Partly cloudy | 28° /16° | 0 mm | 6 | |
| Oct. 3 |  Sunny | 30° /15° | 0 mm | 6 | |
| Oct. 4 | Sunny | 31° /18° | 0 mm | 5.9 | |
| Oct. 5 | Sunny | 32° /17° | 0 mm | 5.8 | |
| Oct. 6 | Sunny | 33° /18° | 0 mm | 5.7 | |
| Oct. 7 | Sunny | 34° /18° | 0 mm | 5.7 | |
| Oct. 8 | Sunny | 29° /15° | 0 mm | 5.6 | |
| Oct. 9 |  Patchy rain possible | 23° /14° | 0 mm | 5 | |
| Oct. 10 | Partly cloudy | 23° /13° | 0 mm | 5 | |
| Oct. 11 |  Overcast | 22° /11° | 0 mm | 5 | |
| Oct. 12 | Partly cloudy | 21° /11° | 0 mm | 5 | |
| Oct. 13 |  Moderate rain | 21° /12° | 10.6 mm | 5 | |
| Oct. 14 |  Cloudy | 21° /11° | 0 mm | 4 | |
| Oct. 15 | Partly cloudy | 24° /12° | 0 mm | 5 | |
| Oct. 16 | Overcast | 24° /13° | 0 mm | 4.9 | |
| Oct. 17 |  Mist | 25° /13° | 0 mm | 4.8 | |
| Oct. 18 | Sunny | 28° /12° | 0 mm | 4.7 | |
| Oct. 19 | Sunny | 27° /13° | 0 mm | 4.6 | |
| Oct. 20 | Sunny | 27° /13° | 0 mm | 4.6 | |
| Oct. 21 | Overcast | 24° /14° | 0.3 mm | 4 | |
| Oct. 22 | Patchy rain possible | 20° /13° | 2.4 mm | 4 | |
| Oct. 23 | Mist | 22° /12° | 0.3 mm | 4 | |
| Oct. 24 | Sunny | 22° /10° | 0 mm | 4.3 | |
| Oct. 25 | Overcast | 25° /10° | 0 mm | 3.9 | |
| Oct. 26 | Sunny | 21° /9° | 0 mm | 4.1 | |
| Oct. 27 | Sunny | 22° /7° | 0 mm | 4 | |
| Oct. 28 | Overcast | 21° /8° | 0 mm | 3.5 | |
| Oct. 29 | Overcast | 22° /9° | 0 mm | 5 | |
| Oct. 30 | Partly cloudy | 16° /8° | 0 mm | 5 | |
| Oct. 31 | Light rain | 15° /7° | 2.8 mm | 3 | |
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San Jose in October - FAQ
What are the expected maximum and minimum temperatures in San Jose during October?
How much rainfall should be expected in San Jose during October?
What are the typical wind conditions in San Jose during October?
October rainfall patterns in San Jose
UV exposure in San Jose during October
Where is San Jose?Get accurate weather forecasts for San Jose, located at latitude 37.339 and longitude -121.895. Stay updated with localized weather information tailored for San Jose.