National Weather Service Forecast for: Los Altos Hills CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 11:55 pm PST Dec 22, 2025
 
Overnight

Overnight: A 30 percent chance of rain, mainly before 1am. Areas of fog. Otherwise, cloudy, with a low around 51. Light south wind.
Chance Rain
and Areas Fog

 Tuesday

Tuesday: Rain likely, mainly after 4pm. Patchy fog before 9am. Otherwise, cloudy, with a high near 62. Southeast wind 8 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Chance Rain
and Patchy
Fog then Rain
Likely
 Tuesday
Night
Tuesday Night: Rain. Low around 50. Breezy, with an east southeast wind 15 to 25 mph becoming south after midnight. Winds could gust 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. Areas of fog before 9am. High near 61. Calm wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Rain and
Areas Fog
then Severe
T-Storms
 Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm before 7pm, then rain after 7pm. Some of the storms could be severe. Low around 50. South southeast wind 10 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Severe
T-Storms
then Rain
 Christmas
Day
Christmas Day: Showers and possibly a thunderstorm. High near 57. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Showers

 Thursday
Night
Thursday Night: Showers and possibly a thunderstorm before 1am, then rain after 1am. Low around 46. Chance of precipitation is 100%.
Showers

 Friday

Friday: Rain. Patchy fog before 9am. Otherwise, cloudy, with a high near 56.
Rain and
Patchy Fog

 Friday
Night
Friday Night: Rain likely, mainly before 10pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 43.
Rain Likely
and Patchy
Fog
Lo 51 °F Hi 62 °F Lo 50 °F Hi 61 °F Lo 50 °F Hi 57 °F Lo 46 °F Hi 56 °F Lo 43 °F

Flood Watch
Wind Advisory
 

Overnight
 
 A 30 percent chance of rain, mainly before 1am. Areas of fog. Otherwise, cloudy, with a low around 51. Light south wind.
Tuesday
 
 Rain likely, mainly after 4pm. Patchy fog before 9am. Otherwise, cloudy, with a high near 62. Southeast wind 8 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
 
 Rain. Low around 50. Breezy, with an east southeast wind 15 to 25 mph becoming south after midnight. Winds could gust 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. Areas of fog before 9am. High near 61. Calm wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
 Showers and possibly a thunderstorm before 7pm, then rain after 7pm. Some of the storms could be severe. Low around 50. South southeast wind 10 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Christmas Day
 
 Showers and possibly a thunderstorm. High near 57. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
 
 Showers and possibly a thunderstorm before 1am, then rain after 1am. Low around 46. Chance of precipitation is 100%.
Friday
 
 Rain. Patchy fog before 9am. Otherwise, cloudy, with a high near 56.
Friday Night
 
 Rain likely, mainly before 10pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 43.
Saturday
 
 A slight chance of rain before 10am. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 56.
Saturday Night
 
 Mostly clear, with a low around 38.
Sunday
 
 Sunny, with a high near 57.
Sunday Night
 
 Mostly clear, with a low around 39.
Monday
 
 Mostly sunny, with a high near 58.

 

Forecast from NOAA-NWS for Los Altos Hills CA.