National Weather Service Forecast for: 3 Miles WNW Portola Valley CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 11:26 am PDT May 4, 2026
 
Today

Today: Partly sunny, with a high near 61. Calm wind becoming west around 6 mph in the afternoon.
Partly Sunny


 Tonight

Tonight: A slight chance of rain before 11pm, then a chance of rain after midnight. Mostly cloudy, with a low around 48. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Slight Chance
Rain then
Chance Rain

 Tuesday

Tuesday: A 10 percent chance of rain before 7am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 60. Calm wind becoming west around 6 mph in the afternoon.
Slight Chance
Rain and
Patchy Fog
then Partly
Sunny
 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 49. West wind around 5 mph becoming calm in the evening.
Mostly Cloudy


 Wednesday

Wednesday: Mostly sunny, with a high near 67. Calm wind becoming west northwest around 6 mph in the afternoon.
Mostly Sunny


 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 49.
Partly Cloudy


 Thursday

Thursday: Mostly sunny, with a high near 68.
Mostly Sunny


 Thursday
Night
Thursday Night: Partly cloudy, with a low around 49.
Partly Cloudy


 Friday

Friday: Mostly sunny, with a high near 68.
Mostly Sunny
Hi 61 °F Lo 48 °F Hi 60 °F Lo 49 °F Hi 67 °F Lo 49 °F Hi 68 °F Lo 49 °F Hi 68 °F

 

Today
 
 Partly sunny, with a high near 61. Calm wind becoming west around 6 mph in the afternoon.
Tonight
 
 A slight chance of rain before 11pm, then a chance of rain after midnight. Mostly cloudy, with a low around 48. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
 
 A 10 percent chance of rain before 7am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 60. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
 
 Mostly cloudy, with a low around 49. West wind around 5 mph becoming calm in the evening.
Wednesday
 
 Mostly sunny, with a high near 67. Calm wind becoming west northwest around 6 mph in the afternoon.
Wednesday Night
 
 Partly cloudy, with a low around 49.
Thursday
 
 Mostly sunny, with a high near 68.
Thursday Night
 
 Partly cloudy, with a low around 49.
Friday
 
 Mostly sunny, with a high near 68.
Friday Night
 
 Clear, with a low around 49.
Saturday
 
 Sunny, with a high near 75.
Saturday Night
 
 Clear, with a low around 51.
Sunday
 
 Sunny, with a high near 80.

 

Forecast from NOAA-NWS for 3 Miles WNW Portola Valley CA.