National Weather Service Forecast for: 6 Miles SW Portola Valley CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 11:44 pm PST Feb 1, 2026
 
Overnight

Overnight: Mostly clear, with a steady temperature around 50. Northeast wind 3 to 6 mph.
Mostly Clear
 Monday

Monday: Sunny, with a high near 68. Calm wind becoming north northeast around 5 mph in the morning.
Sunny
 Monday
Night
Monday Night: Mostly clear, with a low around 48. Calm wind.
Mostly Clear
 Tuesday

Tuesday: Sunny, with a high near 71. Light east northeast wind.
Sunny
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 50. Calm wind.
Mostly Clear
 Wednesday

Wednesday: Sunny, with a high near 72.
Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 50.
Mostly Clear
 Thursday

Thursday: Sunny, with a high near 71.
Sunny
 Thursday
Night
Thursday Night: Mostly cloudy, with a low around 51.
Mostly Cloudy
Lo 50 °F Hi 68 °F Lo 48 °F Hi 71 °F Lo 50 °F Hi 72 °F Lo 50 °F Hi 71 °F Lo 51 °F

 

Overnight
 
 Mostly clear, with a steady temperature around 50. Northeast wind 3 to 6 mph.
Monday
 
 Sunny, with a high near 68. Calm wind becoming north northeast around 5 mph in the morning.
Monday Night
 
 Mostly clear, with a low around 48. Calm wind.
Tuesday
 
 Sunny, with a high near 71. Light east northeast wind.
Tuesday Night
 
 Mostly clear, with a low around 50. Calm wind.
Wednesday
 
 Sunny, with a high near 72.
Wednesday Night
 
 Mostly clear, with a low around 50.
Thursday
 
 Sunny, with a high near 71.
Thursday Night
 
 Mostly cloudy, with a low around 51.
Friday
 
 Mostly sunny, with a high near 67.
Friday Night
 
 Mostly cloudy, with a low around 49.
Saturday
 
 Mostly sunny, with a high near 67.
Saturday Night
 
 Partly cloudy, with a low around 50.
Sunday
 
 A slight chance of rain. Mostly sunny, with a high near 67.

 

Forecast from NOAA-NWS for 6 Miles SW Portola Valley CA.