Weather forecast for 10 daysGrass Valley, CA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 79°F
- 54°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphS 174°
- Humidity: 20%
- UV index: 5
- Sunrise: 7:17 am PDT
- Sunset: 6:21 pm PDT
- details ▼
Tomorrow, on Sunday, sunny and dry conditions are also anticipated.
The maximum forecasted temperature is a moderately hot 78.8°F, while the minimum temperature will be a crisp 53.6°F.
Tomorrow, the maximum temperature of 78.8°F will resemble September's climate more than October's.
Sunrise will be at 7:17 am and sunset at 6:21 pm; tomorrow's daylight will last for 11h and 4min.
The maximum forecasted temperature is a moderately hot 78.8°F, while the minimum temperature will be a crisp 53.6°F.
Tomorrow, the maximum temperature of 78.8°F will resemble September's climate more than October's.
Sunrise will be at 7:17 am and sunset at 6:21 pm; tomorrow's daylight will last for 11h and 4min.
10-day overview
Daily temperatures
Warmest day: tomorrow 79°C.
Coldest day: Thursday 57°C.
Coldest day: Thursday 57°C.
Chance of precipitation
Highest chance: Thursday 55%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 61°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphE 84°
- Humidity: 23%
- UV index: 0
- Sunrise: 7:16 am PDT
- Sunset: 6:22 pm PDT
- details ▼
- Sunday
- Oct 18, 2026
- 79°F
- 54°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphS 174°
- Humidity: 20%
- UV index: 5
- Sunrise: 7:17 am PDT
- Sunset: 6:21 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 50°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphS 180°
- Humidity: 32%
- UV index: 4
- Sunrise: 7:18 am PDT
- Sunset: 6:19 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 70°F
- 57°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSW 220°
- Humidity: 37%
- UV index: 3
- Sunrise: 7:19 am PDT
- Sunset: 6:18 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 64°F
- 54°F
PM Showers
- Precip. probability: 50%
- Precipitation: 0.2"
- Wind: 5mphS 187°
- Humidity: 48%
- UV index: 3
- Sunrise: 7:20 am PDT
- Sunset: 6:17 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 57°F
- 52°F
Showers
- Precip. probability: 55%
- Precipitation: 0.16"
- Wind: 6mphW 266°
- Humidity: 73%
- UV index: 3
- Sunrise: 7:21 am PDT
- Sunset: 6:15 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 63°F
- 50°F
Mostly Sunny
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 6mphWSW 240°
- Humidity: 63%
- UV index: 4
- Sunrise: 7:22 am PDT
- Sunset: 6:14 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 64°F
- 52°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSSW 200°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:23 am PDT
- Sunset: 6:13 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 61°F
- 50°F
PM Showers
- Precip. probability: 30%
- Precipitation: 0.04"
- Wind: 7mphSSW 200°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:24 am PDT
- Sunset: 6:11 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 61°F
- 46°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 6mphSW 218°
- Humidity: 41%
- UV index: 4
- Sunrise: 7:25 am PDT
- Sunset: 6:10 pm PDT
- details ▼
sunny, gloomy and wet weather is anticipated.
Rainfall is anticipated on Wednesday, Thursday and next Sunday.
Temperature differences will be noticeable in the upcoming days. Forecast highs will fluctuate between 57.2°F and 78.8°F, while the variation in nighttime lows will be also notably wide, as nighttime lows are forecast to fall between 46.4°F and 60.8°F.
The warmest day will be Sunday, with a maximum of 78.8°F; with the highest temperature of 57.2°F, Thursday will be the coldest day.
Rainfall is anticipated on Wednesday, Thursday and next Sunday.
Temperature differences will be noticeable in the upcoming days. Forecast highs will fluctuate between 57.2°F and 78.8°F, while the variation in nighttime lows will be also notably wide, as nighttime lows are forecast to fall between 46.4°F and 60.8°F.
The warmest day will be Sunday, with a maximum of 78.8°F; with the highest temperature of 57.2°F, Thursday will be the coldest day.
Updated: Oct 18, 2026 @ 04:31:06 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, in Grass Valley, clear and sunny conditions are expected.
Tomorrow, the highest temperature will be 78.8°F, while the lowest temperature will be 53.6°F.
The highest temperature tomorrow will be moderately higher than the average maximum temperature in October. The lowest temperature tomorrow will be in line with the average low temperature.
The highest temperature tomorrow will be moderately higher than the average maximum temperature in October. The lowest temperature tomorrow will be in line with the average low temperature.
On Sunday, in Grass Valley, sunrise will be at 7:17 am and sunset at 6:21 pm (PDT).
Tomorrow, the daylight will last for 11h and 4min.
