National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Atmospheric River for California; Record Temperatures Further East

An atmospheric river will bring gusty to high winds, moderate to heavy rainfall, and potential flooding to California today through Saturday. Heavy snow will be possible over the Sierra Nevada mountains into Friday associated with this atmospheric river. East of these impacts dozens of record high maximum and high minimum temperatures may be broken or tied today and Friday. Read More >

Hazardous Weather Conditions

Current conditions at

LOS ALTOS (LOAC1)

Lat: 37.35472°NLon: 122.14167°WElev: 539.0ft.

NA

61°F

16°C

Humidity 98%
Wind Speed E 4 MPH
Barometer NA
Dewpoint 60°F (16°C)
Visibility NA
Last update 13 Nov 11:10 AM PST
Extended Forecast for

Los Altos Hills CA

Flood Advisory November 13, 12:27pm until November 13, 01:00pm
Click here for hazard details and duration
...
  •  
    Flood Advisory November 13, 12:27pm until November 13, 01:00pm

    NOW until 1:00pm Thu

    Flood Advisory

  • This Afternoon

    High: 67 °F⇓

    Showers and
    Breezy

  • Tonight

    Tonight: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 51. Calm wind becoming east southeast 5 to 7 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Rain Likely

  • Friday

    Friday: A 30 percent chance of rain, mainly before 10am. Mostly sunny, with a high near 67. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Chance Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain after 10pm. Partly cloudy, with a low around 50. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A 30 percent chance of rain, mainly after 10am. Partly sunny, with a high near 66. Calm wind. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 66 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 51. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Chance Rain

  • Sunday

    Sunday: A 40 percent chance of rain. Mostly cloudy, with a high near 64.

    High: 64 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance Rain

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm before 4pm, then rain likely and possibly a thunderstorm after 4pm. Temperature falling to around 59 by 5pm. Breezy, with a south southwest wind 22 to 25 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 51. Calm wind becoming east southeast 5 to 7 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 30 percent chance of rain, mainly before 10am. Mostly sunny, with a high near 67. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 20 percent chance of rain after 10pm. Partly cloudy, with a low around 50. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 30 percent chance of rain, mainly after 10am. Partly sunny, with a high near 66. Calm wind. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 51. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 40 percent chance of rain. Mostly cloudy, with a high near 64.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 50.
Monday
A chance of rain, mainly before 4pm. Partly sunny, with a high near 62.
Monday Night
A slight chance of rain before 10pm. Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Los Altos Hills CA
 37.36°N 122.13°W (Elev. 397 ft)
Last Update:
2:09 am PST Nov 13, 2025
Forecast Valid:
12pm PST Nov 13, 2025-6pm PST Nov 19, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation