Vacaville (CA)
October
Weather in Vacaville, California for October 2026
Your guide to Vacaville weather in October - trends and predictions
In general, the average temperature in Vacaville at the beginning of October is 29.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21 °F by the end of October.
With an average of 4 rainy days, Vacaville experiences minimal rainfall in October.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
27
Dry days
4
Rainy days
0
Snow days
27°/12°
Temperatures
15 km/h
Avg max wind
51 %
Avg humidity
Vacaville Weather October
Move between months or click on a day
Temperatures trend during October in Vacaville
See the weather trend as well as the moving average line
October weather in Vacaville day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Moderate or heavy rain shower | 16° /14° | 13.6 mm | 4 | |
| Oct. 2 |  Fog | 23° /13° | 0 mm | 5 | |
| Oct. 3 |  Sunny | 31° /15° | 0 mm | 8 | |
| Oct. 4 |  Overcast | 31° /15° | 0 mm | 7 | |
| Oct. 5 |  Partly cloudy | 34° /15° | 0 mm | 8 | |
| Oct. 6 | Sunny | 35° /18° | 0 mm | 9 | |
| Oct. 7 | Overcast | 37° /18° | 0 mm | 9 | |
| Oct. 8 | Sunny | 30° /14° | 0 mm | 8 | |
| Oct. 9 | Partly cloudy | 25° /12° | 0 mm | 7 | |
| Oct. 10 | Overcast | 26° /9° | 0 mm | 6 | |
| Oct. 11 | Overcast | 23° /9° | 0 mm | 6 | |
| Oct. 12 |  Cloudy | 26° /10° | 0 mm | 7 | |
| Oct. 13 | Overcast | 21° /10° | 15.2 mm | 5 | |
| Oct. 14 | Overcast | 20° /11° | 7.7 mm | 5 | |
| Oct. 15 | Overcast | 23° /11° | 0 mm | 5 | |
| Oct. 16 | Moderate or heavy rain shower | 24° /10° | 2.5 mm | 6 | |
| Oct. 17 | Overcast | 25° /9° | 0 mm | 6 | |
| Oct. 18 | Partly cloudy | 26° /11° | 0 mm | 7 | |
| Oct. 19 | Sunny | 27° /13° | 0 mm | 7 | |
| Oct. 20 | Partly cloudy | 27° /11° | 0 mm | 7 | |
| Oct. 21 | Partly cloudy | 27° /10° | 0 mm | 7 | |
| Oct. 22 | Overcast | 22° /9° | 0 mm | 5 | |
| Oct. 23 | Sunny | 25° /10° | 0 mm | 6 | |
| Oct. 24 | Sunny | 22° /10° | 0 mm | 6 | |
| Oct. 25 | Overcast | 22° /11° | 0 mm | 5 | |
| Oct. 26 | Partly cloudy | 22° /10° | 0 mm | 6 | |
| Oct. 27 | Partly cloudy | 22° /12° | 0 mm | 6 | |
| Oct. 28 |  Patchy rain possible | 22° /9° | 0.2 mm | 6 | |
| Oct. 29 | Sunny | 25° /10° | 0 mm | 7 | |
| Oct. 30 | Mist | 17° /7° | 0 mm | 4 | |
| Oct. 31 | Patchy rain possible | 17° /10° | 2.3 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Vacaville 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 Vacaville forecast closer to your planned date for the most up-to-date weather information.
Change Month
Vacaville in October - FAQ
What are the expected maximum and minimum temperatures in Vacaville during October?
Enjoy moderate daytime temperatures of up to 27° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Vacaville during October?
In October, Vacaville can expect light to moderate rainfall, totaling 21.3 mm across approximately 4 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Vacaville during October?
The average wind speed in Vacaville during October is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Vacaville
Explore the daily rainfall trends and prepare for Vacavilles October weather 💧
Typically, Vacaville has 4 rainy days in October with a total of 21.3 mm of rainfall.
UV exposure in Vacaville during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
Quick links
More Vacaville weather pages
You are here
Where is Vacaville?Get accurate weather forecasts for Vacaville, located at latitude 38.357 and longitude -121.988. Stay updated with localized weather information tailored for Vacaville.
Found a mistake?
We appreciate your attention to details. Tell us here.