Fairfield (CA)
October
Weather in Fairfield, California for October 2026
Your guide to Fairfield weather in October - trends and predictions
In general, the average temperature in Fairfield at the beginning of October is 32.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.9 °C by the end of October.
With an average of 5 rainy days, Fairfield experiences minimal rainfall in October.
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Temperatures
Rain 🌧️
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26
Dry days
5
Rainy days
0
Snow days
25°/12°
Temperatures
14 km/h
Avg max wind
60 %
Avg humidity
Fairfield Weather October
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Temperatures trend during October in Fairfield
See the weather trend as well as the moving average line
October weather in Fairfield day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Sunny | 29° /17° | 9.9 mm | 7 | |
| Oct. 2 | Sunny | 32° /17° | 0 mm | 8 | |
| Oct. 3 | Sunny | 31° /14° | 0 mm | 7 | |
| Oct. 4 |  Overcast | 30° /14° | 0 mm | 7 | |
| Oct. 5 |  Cloudy | 33° /15° | 0 mm | 7 | |
| Oct. 6 | Sunny | 36° /18° | 0 mm | 9 | |
| Oct. 7 | Cloudy | 36° /18° | 0 mm | 8 | |
| Oct. 8 |  Partly cloudy | 26° /13° | 0 mm | 6 | |
| Oct. 9 | Cloudy | 24° /12° | 0 mm | 5 | |
| Oct. 10 | Overcast | 25° /10° | 0 mm | 6 | |
| Oct. 11 | Overcast | 22° /10° | 0 mm | 5 | |
| Oct. 12 | Overcast | 25° /11° | 0 mm | 6 | |
| Oct. 13 | Overcast | 21° /11° | 13.4 mm | 5 | |
| Oct. 14 | Overcast | 19° /11° | 15.7 mm | 4 | |
| Oct. 15 | Overcast | 22° /11° | 0 mm | 5 | |
| Oct. 16 |  Moderate or heavy rain shower | 24° /10° | 8.6 mm | 6 | |
| Oct. 17 | Overcast | 24° /9° | 0 mm | 5 | |
| Oct. 18 | Cloudy | 26° /11° | 0 mm | 7 | |
| Oct. 19 | Sunny | 27° /13° | 0 mm | 7 | |
| Oct. 20 | Partly cloudy | 27° /12° | 0 mm | 7 | |
| Oct. 21 | Partly cloudy | 27° /12° | 0 mm | 7 | |
| Oct. 22 | Cloudy | 21° /10° | 0 mm | 5 | |
| Oct. 23 | Cloudy | 25° /9° | 0 mm | 6 | |
| Oct. 24 | Sunny | 22° /11° | 0 mm | 6 | |
| Oct. 25 | Overcast | 22° /12° | 0 mm | 5 | |
| Oct. 26 | Partly cloudy | 22° /11° | 0 mm | 6 | |
| Oct. 27 |  Patchy rain possible | 22° /13° | 0.1 mm | 5 | |
| Oct. 28 | Patchy rain possible | 22° /9° | 0.2 mm | 6 | |
| Oct. 29 | Partly cloudy | 26° /9° | 0 mm | 7 | |
| Oct. 30 |  Mist | 15° /9° | 0 mm | 4 | |
| Oct. 31 | Patchy rain possible | 17° /10° | 2.8 mm | 4 | |
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Important Notice
Our weather forecast for Fairfield 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 Fairfield forecast closer to your planned date for the most up-to-date weather information.
Change Month
Fairfield in October - FAQ
What are the expected maximum and minimum temperatures in Fairfield during October?
Enjoy moderate daytime temperatures of up to 25° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Fairfield during October?
Moderate rainfall is anticipated in Fairfield during October, with a total of 50.7 mm spread over approximately 5 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Fairfield during October?
The average wind speed in Fairfield during October is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Fairfield
Explore the daily rainfall trends and prepare for Fairfields October weather 💧
Typically, Fairfield has 5 rainy days in October with a total of 50.7 mm of rainfall.
UV exposure in Fairfield during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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