Grass Valley (CA)
October
Weather in Grass Valley, California for October 2027
Your guide to Grass Valley weather in October - trends and predictions
In general, the average temperature in Grass Valley at the beginning of October is 29.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.4 °C by the end of October.
With an average of 5 rainy days, Grass Valley experiences minimal rainfall in October.
Is October a good time to visit Grass Valley? check out the best time to travel to Grass Valley page.
✨ Is October a good time to visit Grass Valley? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
26
Dry days
5
Rainy days
0
Snow days
24°/12°
Temperatures
12 km/h
Avg max wind
43 %
Avg humidity
Grass Valley Weather October
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Temperatures trend during October in Grass Valley
See the weather trend as well as the moving average line
October weather in Grass Valley day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Moderate rain | 25° /15° | 16.3 mm | 5 | |
| Oct. 2 |  Patchy rain possible | 25° /15° | 1.9 mm | 3 | |
| Oct. 3 | Patchy rain possible | 30° /17° | 1 mm | 5.6 | |
| Oct. 4 |  Cloudy | 30° /17° | 0 mm | 5 | |
| Oct. 5 |  Sunny | 32° /17° | 0 mm | 5.4 | |
| Oct. 6 | Sunny | 33° /18° | 0 mm | 5.3 | |
| Oct. 7 | Sunny | 33° /18° | 0 mm | 5.2 | |
| Oct. 8 | Sunny | 32° /18° | 0 mm | 5.1 | |
| Oct. 9 |  Partly cloudy | 28° /16° | 0 mm | 5 | |
| Oct. 10 | Cloudy | 24° /13° | 0 mm | 5 | |
| Oct. 11 | Sunny | 20° /11° | 0 mm | 4.9 | |
| Oct. 12 | Partly cloudy | 19° /10° | 0.2 mm | 4.8 | |
| Oct. 13 |  Heavy rain | 21° /8° | 25.5 mm | 4.7 | |
| Oct. 14 |  Light rain | 20° /9° | 2.6 mm | 4.6 | |
| Oct. 15 | Patchy rain possible | 23° /11° | 1.2 mm | 4.5 | |
| Oct. 16 | Light rain | 23° /11° | 3 mm | 4 | |
| Oct. 17 | Light rain | 23° /11° | 2.6 mm | 4 | |
| Oct. 18 | Sunny | 25° /11° | 0 mm | 4.3 | |
| Oct. 19 | Sunny | 24° /12° | 0 mm | 4.2 | |
| Oct. 20 | Cloudy | 23° /10° | 0.2 mm | 4 | |
| Oct. 21 | Partly cloudy | 24° /12° | 0.9 mm | 4.1 | |
| Oct. 22 | Light rain | 19° /11° | 2.5 mm | 3 | |
| Oct. 23 | Sunny | 21° /10° | 0.6 mm | 3.9 | |
| Oct. 24 | Sunny | 21° /10° | 0 mm | 3.9 | |
| Oct. 25 | Light rain | 19° /10° | 7.4 mm | 3 | |
| Oct. 26 | Light rain | 18° /9° | 6.8 mm | 3.7 | |
| Oct. 27 | Patchy rain possible | 19° /9° | 1.4 mm | 3.7 | |
| Oct. 28 | Partly cloudy | 18° /8° | 0.2 mm | 3.6 | |
| Oct. 29 | Sunny | 21° /9° | 0 mm | 3.5 | |
| Oct. 30 |  Overcast | 17° /10° | 0.4 mm | 3 | |
| Oct. 31 | Light rain | 17° /9° | 8.5 mm | 2 | |
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Important Notice
Our weather forecast for Grass Valley 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 Grass Valley forecast closer to your planned date for the most up-to-date weather information.
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Grass Valley in October - FAQ
What are the expected maximum and minimum temperatures in Grass Valley during October?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Grass Valley during October?
Moderate rainfall is anticipated in Grass Valley during October, with a total of 88.7 mm spread over approximately 5 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Grass Valley during October?
The average wind speed in Grass Valley during October is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Grass Valley
Explore the daily rainfall trends and prepare for Grass Valleys October weather 💧
Typically, Grass Valley has 5 rainy days in October with a total of 88.7 mm of rainfall.
UV exposure in Grass Valley during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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