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

LAS TRAMPAS (LTRC1)

Lat: 37.83389°NLon: 122.06694°WElev: 1760.0ft.

NA

55°F

13°C

Humidity 51%
Wind Speed ESE 5 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 01 Feb 05:28 AM PST
Extended Forecast for

4 Miles NW Castro Valley CA

Coastal Flood Advisory February 1, 06:20am until February 1, 12:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory February 1, 06:20am until February 1, 12:00pm

    NOW until 12:00pm Sun

    Coastal Flood Advisory

  • Today

    High: 65 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. North northeast wind 3 to 5 mph.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 66. North wind 3 to 6 mph.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 67. Northeast wind 5 to 7 mph.

    High: 67 °F

    Sunny

  • Tuesday Night

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

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Wednesday Night

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

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Today
Partly sunny, with a high near 65. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Tonight
Partly cloudy, with a low around 45. North northeast wind 3 to 5 mph.
Monday
Sunny, with a high near 66. North wind 3 to 6 mph.
Monday Night
Mostly clear, with a low around 45. Calm wind.
Tuesday
Sunny, with a high near 67. Northeast wind 5 to 7 mph.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Castro Valley CA
 37.75°N 122.12°W (Elev. 597 ft)
12:26 am PST Feb 1, 2026
6am PST Feb 1, 2026-6pm PST Feb 7, 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