National Weather Service Forecast for: Donner Summit CA
Issued by: National Weather Service Sacramento, CA
Updated: 4:22 pm PDT Jun 12, 2025
 
Tonight

Tonight: Clear, with a low around 42. West southwest wind 3 to 8 mph. Winds could gust as high as 20 mph.
Clear
 Friday

Friday: Increasing clouds, with a high near 65. Southwest wind 6 to 10 mph, with gusts as high as 24 mph.
Increasing
Clouds
 Friday
Night
Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 43. Southwest wind 5 to 9 mph becoming light south southwest in the evening. Winds could gust as high as 23 mph.
Decreasing
Clouds
 Saturday

Saturday: Mostly sunny, with a high near 70. Southwest wind 3 to 8 mph. Winds could gust as high as 21 mph.
Mostly Sunny
 Saturday
Night
Saturday Night: Partly cloudy, with a low around 44. Southwest wind 3 to 8 mph. Winds could gust as high as 21 mph.
Partly Cloudy
 Sunday

Sunday: Mostly sunny, with a high near 70.
Mostly Sunny
 Sunday
Night
Sunday Night: Partly cloudy, with a low around 44.
Partly Cloudy
 Monday

Monday: Sunny, with a high near 67.
Sunny
 Monday
Night
Monday Night: Clear, with a low around 43.
Clear
Lo 42 °F Hi 65 °F Lo 43 °F Hi 70 °F Lo 44 °F Hi 70 °F Lo 44 °F Hi 67 °F Lo 43 °F

 

Tonight
 
 Clear, with a low around 42. West southwest wind 3 to 8 mph. Winds could gust as high as 20 mph.
Friday
 
 Increasing clouds, with a high near 65. Southwest wind 6 to 10 mph, with gusts as high as 24 mph.
Friday Night
 
 Mostly cloudy, then gradually becoming mostly clear, with a low around 43. Southwest wind 5 to 9 mph becoming light south southwest in the evening. Winds could gust as high as 23 mph.
Saturday
 
 Mostly sunny, with a high near 70. Southwest wind 3 to 8 mph. Winds could gust as high as 21 mph.
Saturday Night
 
 Partly cloudy, with a low around 44. Southwest wind 3 to 8 mph. Winds could gust as high as 21 mph.
Sunday
 
 Mostly sunny, with a high near 70.
Sunday Night
 
 Partly cloudy, with a low around 44.
Monday
 
 Sunny, with a high near 67.
Monday Night
 
 Clear, with a low around 43.
Tuesday
 
 Sunny, with a high near 73.
Tuesday Night
 
 Clear, with a low around 47.
Wednesday
 
 Sunny, with a high near 77.
Wednesday Night
 
 Clear, with a low around 49.
Juneteenth
 
 Sunny, with a high near 78.

 

Forecast from NOAA-NWS for Donner Summit CA.