Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

69°F

21°C

Humidity 49%
Wind Speed NW 2 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 31 Jan 01:10 PM PST
Extended Forecast for

2 Miles SE Los Altos CA

Coastal Flood Advisory January 31, 01:47pm until February 1, 12:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory January 31, 01:47pm until February 1, 12:00pm

    NOW until 12:00pm Sun

    Coastal Flood Advisory

  • This Afternoon

    High: 70 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 66. Calm wind becoming north northwest 5 to 9 mph in the afternoon.

    High: 66 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45. West northwest wind around 6 mph.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 68. North northwest wind 3 to 5 mph.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 70. Light north northwest wind.
Tonight
Partly cloudy, with a low around 45. Calm wind.
Sunday
Partly sunny, with a high near 66. Calm wind becoming north northwest 5 to 9 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 45. West northwest wind around 6 mph.
Monday
Sunny, with a high near 68. North northwest wind 3 to 5 mph.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Clear, with a low around 45.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 70.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Los Altos CA
 37.35°N 122.07°W (Elev. 269 ft)
1:29 pm PST Jan 31, 2026
1pm PST Jan 31, 2026-6pm PST Feb 6, 2026
 
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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