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

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

56°F

13°C

Humidity 98%
Wind Speed NW 2 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Last update 15 Nov 10:10 PM PST
Extended Forecast for

Los Altos CA

  • Tonight

    Tonight: Rain. Low around 54. South southeast wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Rain

  • Sunday

    Sunday: Rain. High near 64. South wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 64 °F

    Rain

  • Sunday Night

    Sunday Night: Rain and possibly a thunderstorm before 7pm, then showers and possibly a thunderstorm between 7pm and 4am, then rain likely and possibly a thunderstorm after 4am. Low around 52. South southeast wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 52 °F

    Showers

  • Monday

    Monday: Rain likely, mainly before 4pm. Mostly cloudy, with a high near 60. West southwest wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Rain Likely

  • Monday Night

    Monday Night: A 30 percent chance of rain before 10pm. Partly cloudy, with a low around 46. North wind 5 to 7 mph.

    Low: 46 °F

    Chance Rain
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

Detailed Forecast

Tonight
Rain. Low around 54. South southeast wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 64. South wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain and possibly a thunderstorm before 7pm, then showers and possibly a thunderstorm between 7pm and 4am, then rain likely and possibly a thunderstorm after 4am. Low around 52. South southeast wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Monday
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 60. West southwest wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A 30 percent chance of rain before 10pm. Partly cloudy, with a low around 46. North wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 49.
Thursday
A chance of rain. Partly sunny, with a high near 62.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 48.
Friday
A slight chance of rain. Mostly sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Los Altos CA
 37.37°N 122.1°W (Elev. 226 ft)
Last Update:
8:03 pm PST Nov 15, 2025
Forecast Valid:
11pm PST Nov 15, 2025-6pm PST Nov 22, 2025
 
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Additional Resources

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Chance of Precipitation