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

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

Lat: 37.95°NLon: 121.88444°WElev: 1600.0ft.

NA

44°F

7°C

Humidity 100%
Wind Speed N 2 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 06 Dec 03:28 PM PST
Extended Forecast for

Brentwood CA

  • Tonight

    Tonight: Widespread dense fog, mainly after 5am. Otherwise, partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Dense Fog

  • Sunday

    Sunday: Widespread dense fog, mainly before 9am. Otherwise, partly sunny, with a high near 55. Light and variable wind.

    High: 55 °F

    Dense Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43. Light northwest wind.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 59. Light north wind.

    High: 59 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 43. Light west wind.

    Low: 43 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 59.

    High: 59 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Tonight
Widespread dense fog, mainly after 5am. Otherwise, partly cloudy, with a low around 42. Calm wind.
Sunday
Widespread dense fog, mainly before 9am. Otherwise, partly sunny, with a high near 55. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 43. Light northwest wind.
Monday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 59. Light north wind.
Monday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 43. Light west wind.
Tuesday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 46.
Wednesday
Partly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brentwood CA
 37.93°N 121.7°W (Elev. 75 ft)
Last Update:
12:26 pm PST Dec 6, 2025
Forecast Valid:
3pm PST Dec 6, 2025-6pm PST Dec 13, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation