National Weather Service Forecast for: Donner Summit CA
Issued by: National Weather Service Sacramento, CA
Updated: 2:01 am PDT Oct 6, 2026
 
Today

Today: Sunny, with a high near 76. East wind around 5 mph becoming light and variable.
Sunny
 Tonight

Tonight: Clear, with a low around 48. Calm wind becoming northeast around 5 mph.
Clear
 Wednesday

Wednesday: Sunny, with a high near 76. Light and variable wind becoming west around 5 mph in the afternoon.
Sunny
 Wednesday
Night
Wednesday Night: Clear, with a low around 49. West wind around 5 mph becoming calm in the evening.
Clear
 Thursday

Thursday: Sunny, with a high near 76. Light and variable wind becoming east around 5 mph.
Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 49.
Mostly Clear
 Friday

Friday: Sunny, with a high near 72.
Sunny
 Friday
Night
Friday Night: Mostly clear, with a low around 46.
Mostly Clear
 Saturday

Saturday: Sunny, with a high near 60.
Sunny
Hi 76 °F Lo 48 °F Hi 76 °F Lo 49 °F Hi 76 °F Lo 49 °F Hi 72 °F Lo 46 °F Hi 60 °F

 

Today
 
 Sunny, with a high near 76. East wind around 5 mph becoming light and variable.
Tonight
 
 Clear, with a low around 48. Calm wind becoming northeast around 5 mph.
Wednesday
 
 Sunny, with a high near 76. Light and variable wind becoming west around 5 mph in the afternoon.
Wednesday Night
 
 Clear, with a low around 49. West wind around 5 mph becoming calm in the evening.
Thursday
 
 Sunny, with a high near 76. Light and variable wind becoming east around 5 mph.
Thursday Night
 
 Mostly clear, with a low around 49.
Friday
 
 Sunny, with a high near 72.
Friday Night
 
 Mostly clear, with a low around 46.
Saturday
 
 Sunny, with a high near 60.
Saturday Night
 
 Mostly clear, with a low around 37.
Sunday
 
 Sunny, with a high near 52.
Sunday Night
 
 Mostly clear, with a low around 31.
Columbus Day
 
 A slight chance of snow. Sunny, with a high near 50.

 

Forecast from NOAA-NWS for Donner Summit CA.