National Weather Service Forecast for: Portola CA
Issued by: National Weather Service Reno, NV
Updated: 10:30 pm PST Dec 4, 2025
 
Tonight

Tonight: Mostly clear, with a low around 30. Calm wind.
Mostly Clear
 Friday

Friday: Sunny, with a high near 56. Calm wind.
Sunny
 Friday
Night
Friday Night: Mostly clear, with a low around 32. West wind around 5 mph.
Mostly Clear
 Saturday

Saturday: Mostly sunny, with a high near 56. Calm wind becoming west around 5 mph in the afternoon.
Mostly Sunny
 Saturday
Night
Saturday Night: Mostly clear, with a low around 27. Calm wind.
Mostly Clear
 Sunday

Sunday: Mostly sunny, with a high near 57. Calm wind becoming west around 5 mph.
Mostly Sunny
 Sunday
Night
Sunday Night: Partly cloudy, with a low around 27.
Partly Cloudy
 Monday

Monday: Sunny, with a high near 58.
Sunny
 Monday
Night
Monday Night: Partly cloudy, with a low around 33.
Partly Cloudy
Lo 30 °F Hi 56 °F Lo 32 °F Hi 56 °F Lo 27 °F Hi 57 °F Lo 27 °F Hi 58 °F Lo 33 °F

 

Tonight
 
 Mostly clear, with a low around 30. Calm wind.
Friday
 
 Sunny, with a high near 56. Calm wind.
Friday Night
 
 Mostly clear, with a low around 32. West wind around 5 mph.
Saturday
 
 Mostly sunny, with a high near 56. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
 
 Mostly clear, with a low around 27. Calm wind.
Sunday
 
 Mostly sunny, with a high near 57. Calm wind becoming west around 5 mph.
Sunday Night
 
 Partly cloudy, with a low around 27.
Monday
 
 Sunny, with a high near 58.
Monday Night
 
 Partly cloudy, with a low around 33.
Tuesday
 
 Mostly sunny, with a high near 62.
Tuesday Night
 
 Partly cloudy, with a low around 35.
Wednesday
 
 Mostly sunny, with a high near 63.
Wednesday Night
 
 Partly cloudy, with a low around 32.
Thursday
 
 Sunny, with a high near 62.

 

Forecast from NOAA-NWS for Portola CA.