National Weather Service Forecast for: Portola CA
Issued by: National Weather Service Reno, NV
Updated: 10:41 pm PDT Jun 9, 2025
 
Overnight

Overnight: Mostly clear, with a low around 53. Calm wind.
Mostly Clear
Tuesday

Tuesday: Sunny, with a high near 87. Light and variable wind becoming southwest 10 to 15 mph in the afternoon.
Sunny
Tuesday
Night
Tuesday Night: Clear, with a low around 48. Southwest wind 10 to 15 mph becoming light  in the evening. Winds could gust as high as 25 mph.
Clear
Wednesday

Wednesday: Sunny, with a high near 83. Light south wind becoming southwest 10 to 15 mph in the afternoon.
Sunny
Wednesday
Night
Wednesday Night: Clear, with a low around 45. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight.
Clear
Thursday

Thursday: Sunny, with a high near 81. Light southwest wind increasing to 10 to 15 mph in the afternoon.
Sunny
Thursday
Night
Thursday Night: Clear, with a low around 43.
Clear
Friday

Friday: Sunny, with a high near 78.
Sunny
Friday
Night
Friday Night: Mostly clear, with a low around 42.
Mostly Clear
Lo 53 °F Hi 87 °F Lo 48 °F Hi 83 °F Lo 45 °F Hi 81 °F Lo 43 °F Hi 78 °F Lo 42 °F

 

Overnight
 
Mostly clear, with a low around 53. Calm wind.
Tuesday
 
Sunny, with a high near 87. Light and variable wind becoming southwest 10 to 15 mph in the afternoon.
Tuesday Night
 
Clear, with a low around 48. Southwest wind 10 to 15 mph becoming light in the evening. Winds could gust as high as 25 mph.
Wednesday
 
Sunny, with a high near 83. Light south wind becoming southwest 10 to 15 mph in the afternoon.
Wednesday Night
 
Clear, with a low around 45. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight.
Thursday
 
Sunny, with a high near 81. Light southwest wind increasing to 10 to 15 mph in the afternoon.
Thursday Night
 
Clear, with a low around 43.
Friday
 
Sunny, with a high near 78.
Friday Night
 
Mostly clear, with a low around 42.
Saturday
 
Sunny, with a high near 78.
Saturday Night
 
Mostly clear, with a low around 43.
Sunday
 
Sunny, with a high near 80.
Sunday Night
 
Mostly clear, with a low around 43.
Monday
 
Sunny, with a high near 82.

 

Forecast from NOAA-NWS for Portola CA.