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

Livermore, Livermore Municipal Airport (KLVK)

Lat: 37.69278°NLon: 121.81444°WElev: 397.0ft.

Mist

38°F

3°C

Humidity 96%
Wind Speed E 5 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 37°F (3°C)
Visibility 1.50 mi
Wind Chill34°F (1°C)
Last update 04 Dec 06:36 AM PST
Extended Forecast for

4 Miles E Union City CA

Coastal Flood Advisory December 4, 06:56am until December 7, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory December 4, 06:56am until December 7, 03:00pm

    NOW until 3:00pm Sun

    Coastal Flood Advisory

  • Today

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 45. North wind 5 to 7 mph.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61. North northeast wind around 5 mph becoming calm  in the morning.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 59. North northeast wind 3 to 5 mph.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 55. North northeast wind 7 to 13 mph.
Tonight
Mostly clear, with a low around 45. North wind 5 to 7 mph.
Friday
Sunny, with a high near 61. North northeast wind around 5 mph becoming calm in the morning.
Friday Night
Mostly clear, with a low around 47. Calm wind.
Saturday
Mostly sunny, with a high near 59. North northeast wind 3 to 5 mph.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
Partly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Mostly sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 63.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Union City CA
 37.6°N 121.93°W (Elev. 161 ft)
2:09 am PST Dec 4, 2025
6am 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