National Weather Service Forecast for: 5 Miles SW Portola Valley CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:26 pm PDT Apr 25, 2025
 
Tonight

Tonight: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 41. Calm wind.
Slight Chance
Rain then
Partly Cloudy
 Saturday

Saturday: Partly sunny, with a high near 56. Calm wind becoming west 5 to 7 mph in the afternoon.
Partly Sunny

 Saturday
Night
Saturday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 46. West northwest wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Chance Rain

 Sunday

Sunday: A 20 percent chance of rain before 11am. Mostly cloudy, with a high near 54. West northwest wind around 8 mph, with gusts as high as 20 mph.
Slight Chance
Rain then
Mostly Cloudy
 Sunday
Night
Sunday Night: Partly cloudy, with a low around 44. West northwest wind 5 to 7 mph becoming calm in the evening.
Partly Cloudy

 Monday

Monday: Sunny, with a high near 63.
Sunny

 Monday
Night
Monday Night: Partly cloudy, with a low around 46.
Partly Cloudy

 Tuesday

Tuesday: Mostly sunny, with a high near 66.
Mostly Sunny

 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 48.
Partly Cloudy
Lo 41 °F Hi 56 °F Lo 46 °F Hi 54 °F Lo 44 °F Hi 63 °F Lo 46 °F Hi 66 °F Lo 48 °F

 

Tonight
 
 A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 41. Calm wind.
Saturday
 
 Partly sunny, with a high near 56. Calm wind becoming west 5 to 7 mph in the afternoon.
Saturday Night
 
 A 40 percent chance of rain. Mostly cloudy, with a low around 46. West northwest wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
 
 A 20 percent chance of rain before 11am. Mostly cloudy, with a high near 54. West northwest wind around 8 mph, with gusts as high as 20 mph.
Sunday Night
 
 Partly cloudy, with a low around 44. West northwest wind 5 to 7 mph becoming calm in the evening.
Monday
 
 Sunny, with a high near 63.
Monday Night
 
 Partly cloudy, with a low around 46.
Tuesday
 
 Mostly sunny, with a high near 66.
Tuesday Night
 
 Partly cloudy, with a low around 48.
Wednesday
 
 Mostly sunny, with a high near 68.
Wednesday Night
 
 Partly cloudy, with a low around 48.
Thursday
 
 Mostly sunny, with a high near 65.
Thursday Night
 
 Mostly cloudy, with a low around 48.
Friday
 
 Partly sunny, with a high near 64.

 

Forecast from NOAA-NWS for 5 Miles SW Portola Valley CA.