National Weather Service Forecast for: Donner Summit CA
Issued by: National Weather Service Sacramento, CA
Updated: 1:21 pm PST Dec 16, 2025
 
Tonight

Tonight: Showers. The rain could be heavy at times. Patchy fog after midnight. Steady temperature around 41. Southwest wind 14 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Showers
Likely then
Heavy Rain
and Patchy
Fog
 Wednesday

Wednesday: Showers before 1pm, then a chance of showers after 4pm. The rain could be heavy at times. High near 43. West southwest wind 8 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Heavy Rain
then Chance
Showers

 Wednesday
Night
Wednesday Night: A chance of rain and snow showers before 10pm, then a slight chance of snow showers. Partly cloudy, with a steady temperature around 34. South southwest wind around 6 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Chance
Rain/Snow
then Slight
Chance Snow
Showers
 Thursday

Thursday: A 20 percent chance of showers after 10am. Mostly sunny, with a high near 48. Southwest wind around 10 mph, with gusts as high as 24 mph.
Slight Chance
Showers

 Thursday
Night
Thursday Night: A chance of rain and snow showers, mainly after 10pm. Partly cloudy, with a low around 34. Southwest wind 13 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Chance
Rain/Snow

 Friday

Friday: A chance of rain and snow showers before 10am, then rain showers likely. Mostly cloudy, with a high near 44. Chance of precipitation is 70%. Little or no snow accumulation expected.
Rain/Snow
Likely then
Showers
Likely
 Friday
Night
Friday Night: Showers. Low around 34. Chance of precipitation is 90%.
Showers


 Saturday

Saturday: Showers. Cloudy, with a high near 42.
Showers


 Saturday
Night
Saturday Night: Showers. Cloudy, with a low around 36.
Showers
Lo 41 °F Hi 43 °F Lo 34 °F Hi 48 °F Lo 34 °F Hi 44 °F Lo 34 °F Hi 42 °F Lo 36 °F

 

Tonight
 
 Showers. The rain could be heavy at times. Patchy fog after midnight. Steady temperature around 41. Southwest wind 14 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday
 
 Showers before 1pm, then a chance of showers after 4pm. The rain could be heavy at times. High near 43. West southwest wind 8 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Wednesday Night
 
 A chance of rain and snow showers before 10pm, then a slight chance of snow showers. Partly cloudy, with a steady temperature around 34. South southwest wind around 6 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday
 
 A 20 percent chance of showers after 10am. Mostly sunny, with a high near 48. Southwest wind around 10 mph, with gusts as high as 24 mph.
Thursday Night
 
 A chance of rain and snow showers, mainly after 10pm. Partly cloudy, with a low around 34. Southwest wind 13 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
 
 A chance of rain and snow showers before 10am, then rain showers likely. Mostly cloudy, with a high near 44. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday Night
 
 Showers. Low around 34. Chance of precipitation is 90%.
Saturday
 
 Showers. Cloudy, with a high near 42.
Saturday Night
 
 Showers. Cloudy, with a low around 36.
Sunday
 
 Showers. Cloudy, with a high near 42.
Sunday Night
 
 Showers. Mostly cloudy, with a low around 34.
Monday
 
 Rain and snow showers likely. Mostly cloudy, with a high near 43.
Monday Night
 
 A chance of rain and snow showers. Mostly cloudy, with a low around 32.
Tuesday
 
 Rain and snow showers likely. Mostly cloudy, with a high near 44.

 

Forecast from NOAA-NWS for Donner Summit CA.