Tracking Areas of Winter Weather and Heavy Rainfall

A cold front will move through the Great Lakes and Northeast U.S. today, bringing areas of snow and snow squalls which can bring rapid reductions to visibility and slick roads. A storm system will shift from the northern Gulf Coast through the Southeast U.S. today through Friday with areas of heavy to excessive rainfall and light snow further north. Heavy snow is also expected in the Rockies. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

45°F

7°C

Humidity 70%
Wind Speed WSW 1 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 04 Dec 08:10 AM PST
Extended Forecast for

4 Miles SW Atherton CA

Coastal Flood Advisory December 4, 08:19am until December 7, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory December 4, 08:19am until December 7, 03:00pm

    NOW until 3:00pm Sun

    Coastal Flood Advisory

  • Today

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. West northwest wind around 6 mph becoming calm  after midnight.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64. Light and variable wind.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 47. West wind 3 to 6 mph.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 64. Calm wind becoming north around 6 mph in the afternoon.

    High: 64 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 4am.  Otherwise, mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 66.

    High: 66 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy
    then Patchy
    Fog

Detailed Forecast

Today
Sunny, with a high near 60. Calm wind becoming north northeast around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 43. West northwest wind around 6 mph becoming calm after midnight.
Friday
Sunny, with a high near 64. Light and variable wind.
Friday Night
Mostly clear, with a low around 47. West wind 3 to 6 mph.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 64. Calm wind becoming north around 6 mph in the afternoon.
Saturday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 47.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 66.
Sunday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 47.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 66.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Atherton CA
 37.43°N 122.26°W (Elev. 400 ft)
2:09 am PST Dec 4, 2025
8am PST Dec 4, 2025-6pm PST Dec 10, 2025
 
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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