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

46°F

8°C

Humidity 87%
Wind Speed ENE 3 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 43°F (6°C)
Visibility 2.00 mi
Last update 07 Dec 01:20 PM PST
Extended Forecast for

Pleasanton CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 52. Light northeast wind.

    High: 52 °F

    Mostly Sunny

  • Tonight

    Tonight: Widespread dense fog, mainly before 5am. Otherwise, partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Dense Fog

  • Monday

    Monday: Widespread dense fog, mainly before 9am. Otherwise, sunny, with a high near 60. Light northeast wind.

    High: 60 °F

    Dense Fog
    then Sunny

  • Monday Night

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

    Low: 42 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

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

    High: 63 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after midnight. Otherwise, mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. 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

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 52. Light northeast wind.
Tonight
Widespread dense fog, mainly before 5am. Otherwise, partly cloudy, with a low around 40. Calm wind.
Monday
Widespread dense fog, mainly before 9am. Otherwise, sunny, with a high near 60. Light northeast wind.
Monday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 42. Calm wind.
Tuesday
Patchy fog before 10am. Otherwise, sunny, with a high near 63. Light and variable wind.
Tuesday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 44.
Wednesday
Patchy fog before 9am. 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 64.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pleasanton CA
 37.68°N 121.87°W (Elev. 344 ft)
Last Update:
12:41 pm PST Dec 7, 2025
Forecast Valid:
1pm PST Dec 7, 2025-6pm PST Dec 13, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation