Prolonged Extreme Cold; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the Gulf Coast, upper Ohio Valley, Mid-Atlantic, and Southeast U.S. into this weekend. A rapidly deepening storm centered just off the North Carolina coast Friday night through Saturday night will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

Lat: 37.66083°NLon: 122.11833°WElev: 46.0ft.

Clear

46°F

8°C

Humidity 75%
Wind Speed E 6 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 30 Jan 06:00 AM PST
Extended Forecast for

3 Miles SE Union City CA

Coastal Flood Advisory January 30, 06:22am until February 1, 12:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory January 30, 06:22am until February 1, 12:00pm

    NOW until 12:00pm Sun

    Coastal Flood Advisory

  • Today

    High: 69 °F

    Partly Sunny

  • Tonight

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

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 69. Light east northeast wind.

    High: 69 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 64. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 64 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

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

    High: 66 °F

    Patchy Fog
    then Sunny

  • Monday Night

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

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Today
Partly sunny, with a high near 69. Light and variable wind.
Tonight
Partly cloudy, with a low around 45. Light northeast wind.
Saturday
Partly sunny, with a high near 69. Light east northeast wind.
Saturday Night
Mostly cloudy, with a low around 46. Calm wind.
Sunday
Partly sunny, with a high near 64. Calm wind becoming west northwest around 6 mph in the afternoon.
Sunday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 46.
Monday
Patchy fog before 8am. Otherwise, sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Clear, with a low around 45.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 71.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Union City CA
 37.57°N 121.98°W (Elev. 43 ft)
5:44 am PST Jan 30, 2026
6am PST Jan 30, 2026-6pm PST Feb 5, 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