National Weather Service Forecast for: 2 Miles SE Portola Valley CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 2:54 pm PST Dec 22, 2025
 
This
Afternoon
This Afternoon: A 50 percent chance of rain. Cloudy, with a high near 58. South wind 5 to 13 mph. New precipitation amounts of less than a tenth of an inch possible.
Chance Rain

 Tonight

Tonight: A 50 percent chance of rain. Cloudy, with a low around 51. South wind 3 to 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Chance Rain

 Tuesday

Tuesday: Rain likely, mainly after 10am. Cloudy, with a high near 58. South southeast wind 9 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Rain Likely

 Tuesday
Night
Tuesday Night: Rain. Low around 49. Breezy, with a south wind 18 to 24 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Rain and
Breezy

 Wednesday

Wednesday: Rain, mainly before 4pm, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe. High near 57. South wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Rain then
Severe
T-Storms
 Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm before 7pm, then rain between 7pm and 4am, then showers and possibly a thunderstorm after 4am. Some of the storms could be severe. Low around 49. Breezy. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Severe
T-Storms
then Showers
and Breezy
 Christmas
Day
Christmas Day: Showers and possibly a thunderstorm before 7am, then rain between 7am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 54. Breezy. Chance of precipitation is 100%.
Showers and
Breezy

 Thursday
Night
Thursday Night: Showers and possibly a thunderstorm before 4am, then rain after 4am. Cloudy, with a low around 46.
Showers

 Friday

Friday: Rain before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then rain likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 52.
Showers
Hi 58 °F Lo 51 °F Hi 58 °F Lo 49 °F Hi 57 °F Lo 49 °F Hi 54 °F Lo 46 °F Hi 52 °F

High Wind Watch
Flood Watch
 

This Afternoon
 
 A 50 percent chance of rain. Cloudy, with a high near 58. South wind 5 to 13 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
 
 A 50 percent chance of rain. Cloudy, with a low around 51. South wind 3 to 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
 
 Rain likely, mainly after 10am. Cloudy, with a high near 58. South southeast wind 9 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
 
 Rain. Low around 49. Breezy, with a south wind 18 to 24 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Wednesday
 
 Rain, mainly before 4pm, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe. High near 57. South wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
 Showers and possibly a thunderstorm before 7pm, then rain between 7pm and 4am, then showers and possibly a thunderstorm after 4am. Some of the storms could be severe. Low around 49. Breezy. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Christmas Day
 
 Showers and possibly a thunderstorm before 7am, then rain between 7am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 54. Breezy. Chance of precipitation is 100%.
Thursday Night
 
 Showers and possibly a thunderstorm before 4am, then rain after 4am. Cloudy, with a low around 46.
Friday
 
 Rain before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then rain likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 52.
Friday Night
 
 Rain likely, mainly before 10pm. Mostly cloudy, with a low around 42.
Saturday
 
 A slight chance of rain. Mostly sunny, with a high near 53.
Saturday Night
 
 Mostly clear, with a low around 38.
Sunday
 
 Sunny, with a high near 54.
Sunday Night
 
 Mostly clear, with a low around 39.
Monday
 
 Sunny, with a high near 55.

 

Forecast from NOAA-NWS for 2 Miles SE Portola Valley CA.