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

Berkeley Lab (LBNL1)

Lat: 37.8771°NLon: 122.2486°WElev: 888.0ft.

NA

45°F

7°C

Humidity 87%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 07 Dec 10:15 PM PST
Extended Forecast for

Richmond CA

  • Tonight

    Tonight: Patchy dense fog. Otherwise, mostly clear, with a low around 43. Light east northeast wind.

    Low: 43 °F

    Patchy Dense
    Fog

  • Monday

    Monday: Areas of dense fog before 11am. Otherwise, sunny, with a high near 55. North wind 3 to 5 mph.

    High: 55 °F

    Areas Dense
    Fog then
    Sunny

  • Monday Night

    Monday Night: Widespread fog, mainly after 5am. Otherwise, partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Fog

  • Tuesday

    Tuesday: Widespread fog, mainly before 7am. Otherwise, mostly sunny, with a high near 59. North northeast wind 3 to 5 mph.

    High: 59 °F

    Fog then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog. Otherwise, partly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before noon. Otherwise, mostly sunny, with a high near 62.

    High: 62 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Areas of fog. Otherwise, mostly clear, with a low around 46.

    Low: 46 °F

    Areas Fog

  • Thursday

    Thursday: Areas of fog before noon. Otherwise, mostly sunny, with a high near 61.

    High: 61 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog before 1am, then patchy fog after 2am. Otherwise, mostly clear, with a low around 46.

    Low: 46 °F

    Patchy Fog

Detailed Forecast

Tonight
Patchy dense fog. Otherwise, mostly clear, with a low around 43. Light east northeast wind.
Monday
Areas of dense fog before 11am. Otherwise, sunny, with a high near 55. North wind 3 to 5 mph.
Monday Night
Widespread fog, mainly after 5am. Otherwise, partly cloudy, with a low around 45. Calm wind.
Tuesday
Widespread fog, mainly before 7am. Otherwise, mostly sunny, with a high near 59. North northeast wind 3 to 5 mph.
Tuesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 46. Calm wind.
Wednesday
Areas of fog before noon. Otherwise, mostly sunny, with a high near 62.
Wednesday Night
Areas of fog. Otherwise, mostly clear, with a low around 46.
Thursday
Areas of fog before noon. Otherwise, mostly sunny, with a high near 61.
Thursday Night
Patchy fog before 1am, then patchy fog after 2am. Otherwise, mostly clear, with a low around 46.
Friday
Areas of fog before noon. Otherwise, mostly sunny, with a high near 61.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 45.
Saturday
Areas of fog. Otherwise, mostly sunny, with a high near 61.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 46.
Sunday
Areas of fog. Otherwise, partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
Richmond CA
 37.94°N 122.34°W (Elev. 131 ft)
Last Update:
8:31 pm PST Dec 7, 2025
Forecast Valid:
10pm PST Dec 7, 2025-6pm PST Dec 14, 2025
 
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