National Weather Service Forecast for: 3 Miles WNW Portola Valley CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:40 am PST Dec 5, 2025
 
Overnight

Overnight: Clear, with a low around 43. North wind around 5 mph.
Clear
 Friday

Friday: Sunny, with a high near 60. North wind 6 to 8 mph.
Sunny
 Friday
Night
Friday Night: Mostly clear, with a low around 44. Calm wind becoming west around 6 mph in the evening.
Mostly Clear
 Saturday

Saturday: Partly sunny, then gradually becoming sunny, with a high near 61. Calm wind becoming north 5 to 8 mph in the morning.
Becoming
Sunny
 Saturday
Night
Saturday Night: Mostly clear, with a low around 45. North northwest wind 5 to 9 mph becoming calm after midnight.
Mostly Clear
 Sunday

Sunday: Mostly sunny, with a high near 62.
Mostly Sunny
 Sunday
Night
Sunday Night: Partly cloudy, with a low around 46.
Partly Cloudy
 Monday

Monday: Sunny, with a high near 62.
Sunny
 Monday
Night
Monday Night: Mostly clear, with a low around 46.
Mostly Clear
Lo 43 °F Hi 60 °F Lo 44 °F Hi 61 °F Lo 45 °F Hi 62 °F Lo 46 °F Hi 62 °F Lo 46 °F

 

Overnight
 
 Clear, with a low around 43. North wind around 5 mph.
Friday
 
 Sunny, with a high near 60. North wind 6 to 8 mph.
Friday Night
 
 Mostly clear, with a low around 44. Calm wind becoming west around 6 mph in the evening.
Saturday
 
 Partly sunny, then gradually becoming sunny, with a high near 61. Calm wind becoming north 5 to 8 mph in the morning.
Saturday Night
 
 Mostly clear, with a low around 45. North northwest wind 5 to 9 mph becoming calm after midnight.
Sunday
 
 Mostly sunny, with a high near 62.
Sunday Night
 
 Partly cloudy, with a low around 46.
Monday
 
 Sunny, with a high near 62.
Monday Night
 
 Mostly clear, with a low around 46.
Tuesday
 
 Mostly sunny, with a high near 64.
Tuesday Night
 
 Partly cloudy, with a low around 48.
Wednesday
 
 Mostly sunny, with a high near 65.
Wednesday Night
 
 Mostly clear, with a low around 48.
Thursday
 
 Sunny, with a high near 65.

 

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