National Weather Service Forecast for: 9 Miles NNW Grass Valley CA
Issued by: National Weather Service Sacramento, CA
Updated: 1:51 pm PST Dec 17, 2025
 
Tonight

Tonight: A chance of showers before 10pm, then a slight chance of showers after 1am. Patchy fog before 10pm, then areas of fog after midnight. Otherwise, partly cloudy, with a low around 38. Calm wind. Chance of precipitation is 30%.
Chance
Showers and
Areas Fog
 Thursday

Thursday: A slight chance of showers before noon, then a slight chance of showers after 4pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 58. Light and variable wind. Chance of precipitation is 20%.
Slight Chance
Showers and
Patchy Fog
 Thursday
Night
Thursday Night: Showers likely, mainly after 4am. Mostly cloudy, with a low around 43. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Showers
Likely
 Friday

Friday: Showers. High near 52. South southeast wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Showers

 Friday
Night
Friday Night: Showers. Low around 45. South southeast wind around 6 mph. Chance of precipitation is 100%.
Showers

 Saturday

Saturday: Showers. High near 55. Chance of precipitation is 90%.
Showers

 Saturday
Night
Saturday Night: Showers. Low around 47. Chance of precipitation is 90%.
Showers

 Sunday

Sunday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 54.
Heavy Rain

 Sunday
Night
Sunday Night: Showers and possibly a thunderstorm. Cloudy, with a low around 45.
Showers
Lo 38 °F Hi 58 °F Lo 43 °F Hi 52 °F Lo 45 °F Hi 55 °F Lo 47 °F Hi 54 °F Lo 45 °F

 

Tonight
 
 A chance of showers before 10pm, then a slight chance of showers after 1am. Patchy fog before 10pm, then areas of fog after midnight. Otherwise, partly cloudy, with a low around 38. Calm wind. Chance of precipitation is 30%.
Thursday
 
 A slight chance of showers before noon, then a slight chance of showers after 4pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 58. Light and variable wind. Chance of precipitation is 20%.
Thursday Night
 
 Showers likely, mainly after 4am. Mostly cloudy, with a low around 43. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
 
 Showers. High near 52. South southeast wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
 
 Showers. Low around 45. South southeast wind around 6 mph. Chance of precipitation is 100%.
Saturday
 
 Showers. High near 55. Chance of precipitation is 90%.
Saturday Night
 
 Showers. Low around 47. Chance of precipitation is 90%.
Sunday
 
 Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 54.
Sunday Night
 
 Showers and possibly a thunderstorm. Cloudy, with a low around 45.
Monday
 
 Showers. Mostly cloudy, with a high near 52.
Monday Night
 
 Showers. Mostly cloudy, with a low around 41.
Tuesday
 
 Showers likely. Mostly cloudy, with a high near 51.
Tuesday Night
 
 Showers. Cloudy, with a low around 41.
Wednesday
 
 Showers. Mostly cloudy, with a high near 50.

 

Forecast from NOAA-NWS for 9 Miles NNW Grass Valley CA.