Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Livermore, Livermore Municipal Airport (KLVK)

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

Mist

41°F

5°C

Humidity 100%
Wind Speed E 8 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 41°F (5°C)
Visibility 2.50 mi
Wind Chill36°F (2°C)
Last update 08 Dec 03:00 AM PST
Extended Forecast for

7 Miles S Brentwood CA

  • Overnight

    Overnight: Patchy dense fog.  Otherwise, mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Dense
    Fog

  • Monday

    Monday: Patchy dense fog before 11am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 53. Light northeast wind.

    High: 53 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Monday Night

    Monday Night: Patchy dense fog before 2am, then patchy dense fog after 3am.  Otherwise, partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Patchy Dense
    Fog

  • Tuesday

    Tuesday: Patchy fog before noon.  Otherwise, mostly sunny, with a high near 55. Light north northeast wind.

    High: 55 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

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

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 42. Calm wind.
Monday
Patchy dense fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 53. Light northeast wind.
Monday Night
Patchy dense fog before 2am, then patchy dense fog after 3am. Otherwise, partly cloudy, with a low around 43. Calm wind.
Tuesday
Patchy fog before noon. Otherwise, mostly sunny, with a high near 55. Light north northeast wind.
Tuesday Night
Partly cloudy, with a low around 45. Calm wind.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Mostly clear, with a low around 44.
Friday
Mostly sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Patchy fog. Otherwise, mostly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Partly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles S Brentwood CA
 37.84°N 121.71°W (Elev. 758 ft)
2:09 am PST Dec 8, 2025
3am PST Dec 8, 2025-6pm PST Dec 14, 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