Santa Clara County (San Jose)
October
Weather in Santa Clara County for October 2025
Your guide to Santa Clara County weather in October - trends and predictions
In general, the average temperature in Santa Clara County at the beginning of October is 33.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.3 °F by the end of October.
Precipitation in Santa Clara County during October is a rare event, with an average of fewer than 2 rainy days.
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Temperatures
Rain 🌧️
More
31
Dry days
0
Rainy days
0
Snow days
25°/13°
Temperatures
11 km/h
Avg max wind
50 %
Avg humidity
Santa Clara County in October average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  30° | 2 32° | 3  33° | 4 33° | 5 35° | ||
| 6 34° | 7 35° | 8 31° | 9  24° | 10 25° | 11  23° | 12 23° |
| 13 22° | 14  21° | 15 25° | 16 23° | 17 21° | 18 28° | 19 31° |
| 20 30° | 21 24° | 22 23° | 23  23° | 24 26° | 25 23° | 26 22° |
| 27 21° | 28 18° | 29 18° | 30 20° | 31 20° |
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Temperatures trend during October in Santa Clara County
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 | Partly cloudy | 30° /16° | 0 mm | 8 | |
| Oct. 2 | Partly cloudy | 32° /18° | 0 mm | 8 | |
| Oct. 3 | Sunny | 33° /16° | 0 mm | 9 | |
| Oct. 4 | Sunny | 33° /18° | 0 mm | 8 | |
| Oct. 5 | Sunny | 35° /19° | 0 mm | 8 | |
| Oct. 6 | Sunny | 34° /19° | 0 mm | 8 | |
| Oct. 7 | Sunny | 35° /19° | 0 mm | 9 | |
| Oct. 8 | Sunny | 31° /15° | 0 mm | 8 | |
| Oct. 9 | Patchy rain possible | 24° /13° | 0 mm | 6 | |
| Oct. 10 | Partly cloudy | 25° /14° | 0 mm | 6 | |
| Oct. 11 | Overcast | 23° /12° | 0 mm | 5 | |
| Oct. 12 | Overcast | 23° /11° | 0 mm | 6 | |
| Oct. 13 | Overcast | 22° /13° | 0 mm | 5 | |
| Oct. 14 | Cloudy | 21° /12° | 0 mm | 5 | |
| Oct. 15 | Partly cloudy | 25° /13° | 0 mm | 7 | |
| Oct. 16 | Overcast | 23° /13° | 0 mm | 5 | |
| Oct. 17 | Cloudy | 21° /12° | 0 mm | 5 | |
| Oct. 18 | Sunny | 28° /11° | 0 mm | 7 | |
| Oct. 19 | Sunny | 31° /13° | 0 mm | 8 | |
| Oct. 20 | Partly cloudy | 30° /14° | 0 mm | 8 | |
| Oct. 21 | Overcast | 24° /12° | 0 mm | 5 | |
| Oct. 22 | Patchy rain possible | 23° /12° | 0.1 mm | 6 | |
| Oct. 23 | Mist | 23° /12° | 0 mm | 6 | |
| Oct. 24 | Partly cloudy | 26° /11° | 0 mm | 7 | |
| Oct. 25 | Overcast | 23° /12° | 0 mm | 5 | |
| Oct. 26 | Partly cloudy | 22° /10° | 0 mm | 6 | |
| Oct. 27 | Partly cloudy | 21° /11° | 0 mm | 5 | |
| Oct. 28 | Overcast | 18° /9° | 0 mm | 5 | |
| Oct. 29 | Sunny | 18° /7° | 0 mm | 5 | |
| Oct. 30 | Sunny | 20° /8° | 0 mm | 5 | |
| Oct. 31 | Overcast | 20° /10° | 0.1 mm | 5 | |
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Important Notice
Our weather forecast for Santa Clara County 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 Santa Clara County forecast closer to your planned date for the most up-to-date weather information.
Santa Clara County in October - FAQ
What are the expected maximum and minimum temperatures in Santa Clara County during October?
Enjoy moderate daytime temperatures of up to 25° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Santa Clara County during October?
Rainfall in Santa Clara County during October is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 0 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 Santa Clara County during October?
The average wind speed in Santa Clara County during October is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Santa Clara County
Explore the daily rainfall trends and prepare for Santa Clara Countys October weather 💧
UV exposure in Santa Clara County during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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