National Weather Service Forecast for: Portola CA
Issued by: National Weather Service Reno, NV
Updated: 11:30 am PDT Apr 6, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 71. West wind around 10 mph.
Sunny
Tonight

Tonight: Mostly clear, with a low around 35. West wind 5 to 10 mph becoming light  in the evening.
Mostly Clear
Tuesday

Tuesday: Sunny, with a high near 70. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Sunny
Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 35. West wind 5 to 10 mph becoming light  in the evening. Winds could gust as high as 20 mph.
Partly Cloudy
Wednesday

Wednesday: Sunny, with a high near 69. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 37. West wind 5 to 10 mph becoming light southwest  in the evening. Winds could gust as high as 20 mph.
Mostly Clear
Thursday

Thursday: A 40 percent chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 64.
Chance
Showers
Thursday
Night
Thursday Night: A chance of showers.  Mostly cloudy, with a low around 37.
Chance
Showers
Friday

Friday: Showers, with thunderstorms also possible after 11am.  Mostly cloudy, with a high near 60.
Showers
Hi 71 °F Lo 35 °F Hi 70 °F Lo 35 °F Hi 69 °F Lo 37 °F Hi 64 °F Lo 37 °F Hi 60 °F

 

This Afternoon
 
Sunny, with a high near 71. West wind around 10 mph.
Tonight
 
Mostly clear, with a low around 35. West wind 5 to 10 mph becoming light in the evening.
Tuesday
 
Sunny, with a high near 70. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Tuesday Night
 
Partly cloudy, with a low around 35. West wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.
Wednesday
 
Sunny, with a high near 69. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Wednesday Night
 
Mostly clear, with a low around 37. West wind 5 to 10 mph becoming light southwest in the evening. Winds could gust as high as 20 mph.
Thursday
 
A 40 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 64.
Thursday Night
 
A chance of showers. Mostly cloudy, with a low around 37.
Friday
 
Showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 60.
Friday Night
 
Showers likely and possibly a thunderstorm. Snow level 8300 feet lowering to 7400 feet after midnight . Mostly cloudy, with a low around 36.
Saturday
 
Showers likely and possibly a thunderstorm. Snow level 7300 feet. Mostly cloudy, with a high near 56.
Saturday Night
 
A chance of rain and snow showers. Snow level 7500 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 33.
Sunday
 
A chance of rain and snow showers. Snow level 6100 feet. Partly sunny, with a high near 52.

 

Forecast from NOAA-NWS for Portola CA.