National Weather Service Forecast for: Donner Summit CA
Issued by: National Weather Service Sacramento, CA
Updated: 2:01 am PDT May 4, 2026
 
Today

Today: Rain likely, then showers and possibly a thunderstorm after 11am. High near 43. West wind 5 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Showers

 Tonight

Tonight: Rain likely before 8pm, then rain and snow between 8pm and 11pm, then rain likely after 11pm. Some thunder is also possible. Low around 32. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. Little or no snow accumulation expected.
Rain/Snow
then Rain
Likely
 Tuesday

Tuesday: A chance of rain before 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 53. Calm wind becoming north northwest around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
Showers
 Tuesday
Night
Tuesday Night: A 30 percent chance of rain before 11pm. Partly cloudy, with a low around 36. West northwest wind 5 to 7 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Chance Rain
then Partly
Cloudy
 Wednesday

Wednesday: Sunny, with a high near 64. Northeast wind 3 to 6 mph.
Sunny

 Wednesday
Night
Wednesday Night: Clear, with a low around 41.
Clear

 Thursday

Thursday: Sunny, with a high near 65.
Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 39.
Mostly Clear

 Friday

Friday: Sunny, with a high near 66.
Sunny
Hi 43 °F Lo 32 °F Hi 53 °F Lo 36 °F Hi 64 °F Lo 41 °F Hi 65 °F Lo 39 °F Hi 66 °F

 

Today
 
 Rain likely, then showers and possibly a thunderstorm after 11am. High near 43. West wind 5 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
 
 Rain likely before 8pm, then rain and snow between 8pm and 11pm, then rain likely after 11pm. Some thunder is also possible. Low around 32. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday
 
 A chance of rain before 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 53. Calm wind becoming north northwest around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
 
 A 30 percent chance of rain before 11pm. Partly cloudy, with a low around 36. West northwest wind 5 to 7 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
 
 Sunny, with a high near 64. Northeast wind 3 to 6 mph.
Wednesday Night
 
 Clear, with a low around 41.
Thursday
 
 Sunny, with a high near 65.
Thursday Night
 
 Mostly clear, with a low around 39.
Friday
 
 Sunny, with a high near 66.
Friday Night
 
 Mostly clear, with a low around 41.
Saturday
 
 Sunny, with a high near 71.
Saturday Night
 
 Mostly clear, with a low around 44.
Sunday
 
 Sunny, with a high near 75.

 

Forecast from NOAA-NWS for Donner Summit CA.