National Weather Service Forecast for: Donner Summit CA
Issued by: National Weather Service Sacramento, CA
Updated: 1:21 am PST Feb 2, 2026
 
Overnight

Overnight: Clear, with a low around 27. Light east northeast wind.
Clear
 Monday

Monday: Sunny, with a high near 51. East northeast wind around 6 mph.
Sunny
 Monday
Night
Monday Night: Mostly clear, with a low around 29. East wind 3 to 6 mph.
Mostly Clear
 Tuesday

Tuesday: Sunny, with a high near 57. East wind 3 to 5 mph.
Sunny
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 30. East wind around 6 mph.
Mostly Clear
 Wednesday

Wednesday: Sunny, with a high near 56.
Sunny
 Wednesday
Night
Wednesday Night: Clear, with a low around 28.
Clear
 Thursday

Thursday: Sunny, with a high near 56.
Sunny
 Thursday
Night
Thursday Night: Partly cloudy, with a low around 31.
Partly Cloudy
Lo 27 °F Hi 51 °F Lo 29 °F Hi 57 °F Lo 30 °F Hi 56 °F Lo 28 °F Hi 56 °F Lo 31 °F

 

Overnight
 
 Clear, with a low around 27. Light east northeast wind.
Monday
 
 Sunny, with a high near 51. East northeast wind around 6 mph.
Monday Night
 
 Mostly clear, with a low around 29. East wind 3 to 6 mph.
Tuesday
 
 Sunny, with a high near 57. East wind 3 to 5 mph.
Tuesday Night
 
 Mostly clear, with a low around 30. East wind around 6 mph.
Wednesday
 
 Sunny, with a high near 56.
Wednesday Night
 
 Clear, with a low around 28.
Thursday
 
 Sunny, with a high near 56.
Thursday Night
 
 Partly cloudy, with a low around 31.
Friday
 
 Mostly sunny, with a high near 52.
Friday Night
 
 Partly cloudy, with a low around 30.
Saturday
 
 Sunny, with a high near 52.
Saturday Night
 
 A slight chance of snow. Partly cloudy, with a low around 31.
Sunday
 
 A chance of rain and snow. Partly sunny, with a high near 50.

 

Forecast from NOAA-NWS for Donner Summit CA.