National Weather Service Forecast for: Los Altos Hills 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.  Patchy fog after 5pm.  Otherwise, cloudy, with a high near 62. Calm wind.  New precipitation amounts of less than a tenth of an inch possible.
Chance Rain
and Patchy
Fog
Tonight

Tonight: A 40 percent chance of rain.  Patchy fog before 7pm.  Otherwise, cloudy, with a low around 51. Light south southeast wind.  New precipitation amounts of less than a tenth of an inch possible.
Chance Rain
and Patchy
Fog
Tuesday

Tuesday: Rain likely, mainly after 10am.  Cloudy, with a high near 62. South southeast wind 6 to 11 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain Likely

Tuesday
Night
Tuesday Night: Rain.  Low around 50. South wind 14 to 20 mph, with gusts as high as 43 mph.  Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Rain

Wednesday

Wednesday: Rain, mainly before 4pm, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe.  High near 61. South southeast wind 6 to 9 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. 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 50. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Severe
T-Storms
then Showers
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 56. Chance of precipitation is 100%.
Showers

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 56.
Showers

Hi 62 °F Lo 51 °F Hi 62 °F Lo 50 °F Hi 61 °F Lo 50 °F Hi 56 °F Lo 46 °F Hi 56 °F

High Wind Watch
Flood Watch
 

This Afternoon
 
A 50 percent chance of rain. Patchy fog after 5pm. Otherwise, cloudy, with a high near 62. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Tonight
 
A 40 percent chance of rain. Patchy fog before 7pm. Otherwise, cloudy, with a low around 51. Light south southeast wind. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
 
Rain likely, mainly after 10am. Cloudy, with a high near 62. South southeast wind 6 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
 
Rain. Low around 50. South wind 14 to 20 mph, with gusts as high as 43 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 61. South southeast wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. 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 50. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an 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 56. 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 56.
Friday Night
 
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 42.
Saturday
 
Mostly sunny, with a high near 56.
Saturday Night
 
Mostly clear, with a low around 37.
Sunday
 
Sunny, with a high near 57.
Sunday Night
 
Mostly clear, with a low around 39.
Monday
 
Sunny, with a high near 58.

 

Forecast from NOAA-NWS for Los Altos Hills CA.