National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

42°F

6°C

Humidity 95%
Wind Speed ENE 10 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 41°F (5°C)
Visibility 1.00 mi
Wind Chill36°F (2°C)
Last update 08 Dec 12:37 AM PST
Extended Forecast for

Pleasanton CA

  • Overnight

    Overnight: Areas of fog. Otherwise, partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Areas Fog

  • Monday

    Monday: Areas of dense fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 61. Light north wind.

    High: 61 °F

    Areas Dense
    Fog then
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy dense fog before 10am. Otherwise, sunny, with a high near 63. Light north wind.

    High: 63 °F

    Patchy Dense
    Fog then
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

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

    High: 66 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

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

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Thursday Night

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

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Overnight
Areas of fog. Otherwise, partly cloudy, with a low around 41. Calm wind.
Monday
Areas of dense fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 61. Light north wind.
Monday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 42. Calm wind.
Tuesday
Patchy dense fog before 10am. Otherwise, sunny, with a high near 63. Light north wind.
Tuesday Night
Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly clear, with a low around 44. Calm wind.
Wednesday
Patchy fog before 8am. Otherwise, sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 44.
Saturday
Patchy fog. Otherwise, sunny, with a high near 64.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 44.
Sunday
Areas of fog. Otherwise, partly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Pleasanton CA
 37.65°N 121.89°W (Elev. 322 ft)
Last Update:
12:26 am PST Dec 8, 2025
Forecast Valid:
12am PST Dec 8, 2025-6pm PST Dec 14, 2025
 
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Additional Resources

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Chance of Precipitation