National Weather Service Forecast for: 6 Miles SW Portola Valley CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 2:20 am PDT Jun 19, 2025
 
Juneteenth

Juneteenth: A slight chance of drizzle. Mostly sunny, with a high near 60. West northwest wind 8 to 13 mph, with gusts as high as 23 mph.
Slight Chance
Drizzle then
Mostly Sunny
 Tonight

Tonight: A slight chance of drizzle. Mostly cloudy, with a low around 48. West northwest wind 9 to 11 mph, with gusts as high as 24 mph.
Slight Chance
Drizzle
 Friday

Friday: Mostly cloudy, then gradually becoming sunny, with a high near 60. West northwest wind 9 to 16 mph, with gusts as high as 26 mph.
Decreasing
Clouds
 Friday
Night
Friday Night: Partly cloudy, with a low around 47. Northwest wind 10 to 17 mph, with gusts as high as 32 mph.
Partly Cloudy

 Saturday

Saturday: Sunny, with a high near 63. Northwest wind 5 to 14 mph, with gusts as high as 21 mph.
Sunny

 Saturday
Night
Saturday Night: Partly cloudy, with a low around 47.
Partly Cloudy

 Sunday

Sunday: Sunny, with a high near 64.
Sunny

 Sunday
Night
Sunday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 48.
Patchy Fog

 Monday

Monday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 67.
Patchy Fog
then Sunny
Hi 60 °F Lo 48 °F Hi 60 °F Lo 47 °F Hi 63 °F Lo 47 °F Hi 64 °F Lo 48 °F Hi 67 °F

 

Juneteenth
 
 A slight chance of drizzle. Mostly sunny, with a high near 60. West northwest wind 8 to 13 mph, with gusts as high as 23 mph.
Tonight
 
 A slight chance of drizzle. Mostly cloudy, with a low around 48. West northwest wind 9 to 11 mph, with gusts as high as 24 mph.
Friday
 
 Mostly cloudy, then gradually becoming sunny, with a high near 60. West northwest wind 9 to 16 mph, with gusts as high as 26 mph.
Friday Night
 
 Partly cloudy, with a low around 47. Northwest wind 10 to 17 mph, with gusts as high as 32 mph.
Saturday
 
 Sunny, with a high near 63. Northwest wind 5 to 14 mph, with gusts as high as 21 mph.
Saturday Night
 
 Partly cloudy, with a low around 47.
Sunday
 
 Sunny, with a high near 64.
Sunday Night
 
 Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 48.
Monday
 
 Patchy fog before 7am. Otherwise, mostly sunny, with a high near 67.
Monday Night
 
 Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 48.
Tuesday
 
 Areas of fog. Otherwise, partly sunny, with a high near 66.
Tuesday Night
 
 Patchy fog. Otherwise, mostly cloudy, with a low around 48.
Wednesday
 
 Areas of fog. Otherwise, mostly sunny, with a high near 68.

 

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