Sunnyvale (CA)
October
Weather in Sunnyvale, California for October 2027
Your guide to Sunnyvale weather in October - trends and predictions
In general, the average temperature in Sunnyvale at the beginning of October is 30.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.4 °C by the end of October.
Precipitation in Sunnyvale during October is a rare event, with an average of fewer than 2 rainy days.
Is October a good time to visit Sunnyvale? check out the best time to travel to Sunnyvale page.
✨ Is October a good time to visit Sunnyvale? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
30
Dry days
1
Rainy days
0
Snow days
24°/13°
Temperatures
11 km/h
Avg max wind
58 %
Avg humidity
Sunnyvale Weather October
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Temperatures trend during October in Sunnyvale
See the weather trend as well as the moving average line
October weather in Sunnyvale day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Light rain | 27° /15° | 4.4 mm | 6 | |
| Oct. 2 |  Partly cloudy | 28° /15° | 0 mm | 6 | |
| Oct. 3 |  Sunny | 29° /16° | 0 mm | 6 | |
| Oct. 4 |  Overcast | 31° /17° | 0 mm | 5.9 | |
| Oct. 5 | Sunny | 31° /17° | 0 mm | 5.8 | |
| Oct. 6 | Sunny | 33° /17° | 0 mm | 5.7 | |
| Oct. 7 | Sunny | 33° /18° | 0 mm | 5.6 | |
| Oct. 8 | Sunny | 28° /14° | 0 mm | 5.6 | |
| Oct. 9 |  Patchy rain possible | 23° /14° | 0 mm | 5 | |
| Oct. 10 |  Cloudy | 23° /12° | 0 mm | 5 | |
| Oct. 11 | Overcast | 21° /11° | 0 mm | 5 | |
| Oct. 12 | Cloudy | 21° /10° | 0 mm | 5 | |
| Oct. 13 |  Moderate rain | 21° /12° | 10.3 mm | 4 | |
| Oct. 14 | Overcast | 21° /11° | 0 mm | 4 | |
| Oct. 15 | Cloudy | 24° /13° | 0 mm | 5 | |
| Oct. 16 |  Mist | 25° /13° | 0 mm | 4.9 | |
| Oct. 17 | Mist | 25° /13° | 0 mm | 4.8 | |
| Oct. 18 | Sunny | 27° /11° | 0 mm | 4.7 | |
| Oct. 19 | Sunny | 27° /13° | 0 mm | 4.6 | |
| Oct. 20 | Sunny | 26° /12° | 0 mm | 4.6 | |
| Oct. 21 | Overcast | 24° /13° | 0.3 mm | 4 | |
| Oct. 22 | Light rain | 20° /12° | 5 mm | 4 | |
| Oct. 23 | Mist | 21° /12° | 0.1 mm | 4 | |
| Oct. 24 | Sunny | 21° /11° | 0 mm | 4.3 | |
| Oct. 25 | Overcast | 21° /12° | 0 mm | 4 | |
| Oct. 26 | Overcast | 20° /10° | 0 mm | 4 | |
| Oct. 27 | Overcast | 20° /11° | 0 mm | 4 | |
| Oct. 28 | Overcast | 21° /9° | 0 mm | 4 | |
| Oct. 29 | Sunny | 22° /10° | 0 mm | 3.9 | |
| Oct. 30 | Sunny | 19° /10° | 0.2 mm | 3.8 | |
| Oct. 31 | Overcast | 21° /10° | 0.2 mm | 3 | |
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Important Notice
Our weather forecast for Sunnyvale 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 Sunnyvale forecast closer to your planned date for the most up-to-date weather information.
Change Month
Sunnyvale in October - FAQ
What are the expected maximum and minimum temperatures in Sunnyvale 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 Sunnyvale during October?
Expect minimal rainfall in Sunnyvale during October, with a total of 15 mm over approximately 1 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Sunnyvale during October?
The average wind speed in Sunnyvale during October is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Sunnyvale
Explore the daily rainfall trends and prepare for Sunnyvales October weather 💧
Typically, Sunnyvale has 1 rainy days in October with a total of 15 mm of rainfall.
UV exposure in Sunnyvale during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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