Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

Berkeley Lab (LBNL1)

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

NA

50°F

10°C

Humidity 76%
Wind Speed ESE 0 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 08 Dec 05:30 PM PST
Extended Forecast for

Berkeley CA

  • Tonight

    Tonight: Mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Patchy fog before 10am.  Otherwise, sunny, with a high near 62. Calm wind becoming north around 5 mph in the afternoon.

    High: 62 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 7am.  Otherwise, sunny, with a high near 63. Light north wind.

    High: 63 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 7am.  Otherwise, sunny, with a high near 62.

    High: 62 °F

    Patchy Fog
    then Sunny

  • Thursday Night

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

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Friday Night

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

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 45. Calm wind.
Tuesday
Patchy fog before 10am. Otherwise, sunny, with a high near 62. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 47. Calm wind.
Wednesday
Patchy fog before 7am. Otherwise, sunny, with a high near 63. Light north wind.
Wednesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 47. Calm wind.
Thursday
Patchy fog before 7am. Otherwise, sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 45.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 48.
Sunday
Patchy fog. Otherwise, partly sunny, with a high near 61.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 50.
Monday
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Berkeley CA
 37.88°N 122.29°W (Elev. 85 ft)
12:26 pm PST Dec 8, 2025
5pm PST Dec 8, 2025-6pm PST Dec 15, 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