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December 18th, 2025 :: 9:56 am PST   

Local Weather Report for
Grass Valley
California, United States

 Current Grass Valley Weather Conditions Updated December 18th at 8:55 am 
Temperature:54°F Dew Point:36°F
Barometer:30.15 inHg Wind:calm
Humidity:50.3% Visibility:0M
 
 Grass Valley Weather Forecast Summary  
 
Today
Dec 18th
Friday
Dec 19th
Saturday
Dec 20th
Sunday
Dec 21st
Monday
Dec 22nd
Cloudy Showers Showers Rain Showers
61°F
52°F
49°F
57°F
52°F
54°F
53°F
55°F
50°F
 
 Grass Valley Detailed Weather Forecast  
 
Thursday, December 18th, 2025
Morning Temperature: 59°F
A mix of cloud and sun.
Afternoon Temperature: 52°F
Sunny with cloudy periods.
Evening Temperature: 48°F
Cloudy.
Friday, December 19th, 2025
Overnight Temperature: 50°F
Cloudy.
Morning Temperature: 51°F
Cloudy with a few showers.
Afternoon Temperature: 50°F
Cloudy with a few showers.
Evening Temperature: 51°F
Cloudy with a few showers.
Saturday, December 20th, 2025
Overnight Temperature: 52°F
Cloudy with showers likely.
Morning Temperature: 56°F
Cloudy with a chance of showers.
Afternoon Temperature: 54°F
Cloudy with showers.
Evening Temperature: 54°F
Cloudy with showers. Windy at times.
Sunday, December 21st, 2025
Overnight Temperature: 54°F
Cloudy with showers. Windy at times.
Morning Temperature: 53°F
Cloudy with rain, at times heavy. Windy at times.
Afternoon Temperature: 53°F
Cloudy with periods of rain.
Evening Temperature: 54°F
Cloudy with periods of rain.
Monday, December 22nd, 2025
Overnight Temperature: 53°F
Cloudy with periods of rain.
Morning Temperature: 54°F
Cloudy with periods of rain. Windy at times.
Afternoon Temperature: 53°F
Cloudy with a few showers. Windy at times.
Evening Temperature: 51°F
Cloudy with a few showers.
Tuesday, December 23rd, 2025
Overnight Temperature: 49°F
Cloudy with a chance of showers.
Morning Temperature: 56°F
Cloudy. Windy at times.
Afternoon Temperature: 55°F
Cloudy. Windy.
Evening Temperature: 51°F
Cloudy with periods of rain. Windy.
Wednesday, December 24th, 2025
Overnight Temperature: 49°F
Cloudy with showers. Slight chance of a thunderstorm. Windy.
Morning Temperature: 48°F
Cloudy with a chance of showers.
Afternoon Temperature: 46°F
Sunny with cloudy periods with a slight chance of showers.
Evening Temperature: 46°F
Clear with cloudy periods. Windy at times.
Thursday, December 25th, 2025
Overnight Temperature: 52°F
Cloudy. Windy.
Morning Temperature: 49°F
Cloudy with showers. Windy.
Afternoon Temperature: 46°F
Cloudy with periods of rain. Windy.
Evening Temperature: 46°F
Cloudy with a few showers. Windy.
Friday, December 26th, 2025
Overnight Temperature: 44°F
Cloudy with periods of rain. Windy at times.
Morning Temperature: 44°F
Cloudy with showers. Windy at times.
Afternoon Temperature: 43°F
Cloudy with showers. Windy at times.
Evening Temperature: 38°F
Cloudy with showers. Showers possibly mixed with wet flurries. Windy at times.





 

  [ Local Weather Report ]
Nevada City, CA 
8:55 AM  54°F
 
 
Colfax, CA 
 
Auburn, CA 
8:55 AM  50°F
Overcast
 
Emigrant Gap, CA 
8:52 AM  48°F
Overcast
 
Lincoln, CA 
8:55 AM  52°F
Overcast
 
Marysville, CA 
8:53 AM  52°F
mist
 
Loomis, CA 
 
Yuba City, CA 
8:53 AM  52°F
mist
 
Rocklin, CA 
 
Oroville, CA 
8:53 AM  52°F
moderate fog

 
This WeatherCity Weather Forecast for Grass Valley, California, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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