Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

Livermore, Livermore Municipal Airport (KLVK)

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

Clear

52°F

11°C

Humidity 76%
Wind Speed NE 5 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 45°F (7°C)
Visibility 9.00 mi
Last update 10 Dec 04:20 PM PST
Extended Forecast for

4 Miles E Union City CA

  • Tonight

    Tonight: Mostly clear, with a low around 47. North northeast wind 7 to 10 mph.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 60. North northeast wind 6 to 9 mph.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47. North northeast wind around 10 mph.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60. Northeast wind around 7 mph.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 47. Northeast wind around 7 mph.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 47. North northeast wind 7 to 10 mph.
Thursday
Sunny, with a high near 60. North northeast wind 6 to 9 mph.
Thursday Night
Mostly clear, with a low around 47. North northeast wind around 10 mph.
Friday
Sunny, with a high near 60. Northeast wind around 7 mph.
Friday Night
Mostly clear, with a low around 47. Northeast wind around 7 mph.
Saturday
Sunny, with a high near 62.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 46.
Monday
A slight chance of showers after 4pm. Partly sunny, with a high near 61.
Monday Night
A chance of showers. Mostly cloudy, with a low around 52.
Tuesday
A chance of showers. Partly sunny, with a high near 62.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 53.
Wednesday
A slight chance of showers. Partly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Union City CA
 37.6°N 121.93°W (Elev. 161 ft)
12:37 pm PST Dec 10, 2025
4pm PST Dec 10, 2025-6pm PST Dec 17, 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