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

Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Berkeley Lab (LBNL1)

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

NA

53°F

12°C

Humidity 68%
Wind Speed SSE 11 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 26 Dec 12:30 PM PST
Extended Forecast for

Berkeley CA

Flood Watch December 26, 12:45pm until December 26, 10:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 26, 12:45pm until December 26, 10:00pm

    NOW until 10:00pm Fri

    Flood Watch

  • This Afternoon

    High: 57 °F⇓

    Chance
    Showers

  • Tonight

    Tonight: A 10 percent chance of showers before 7pm. Partly cloudy, with a low around 46. West southwest wind around 7 mph.

    Low: 46 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 54. North wind around 6 mph.

    High: 54 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 41. Light north northeast wind.

    Low: 41 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 53. Northeast wind 3 to 7 mph.

    High: 53 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a temperature falling to around 52 by 5pm. South southwest wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 10 percent chance of showers before 7pm. Partly cloudy, with a low around 46. West southwest wind around 7 mph.
Saturday
Mostly sunny, with a high near 54. North wind around 6 mph.
Saturday Night
Increasing clouds, with a low around 41. Light north northeast wind.
Sunday
Mostly sunny, with a high near 53. Northeast wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 54.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Mostly sunny, with a high near 54.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 44.
New Year's Day
A chance of showers. Mostly cloudy, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Berkeley CA
 37.88°N 122.29°W (Elev. 85 ft)
Last Update:
12:27 pm PST Dec 26, 2025
Forecast Valid:
12pm PST Dec 26, 2025-6pm PST Jan 1, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation