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

36°F

2°C

Humidity 100%
Wind Speed NNW 8 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Wind Chill30°F (-1°C)
Last update 06 Dec 06:28 AM PST
Extended Forecast for

Brentwood CA

  • Today

    Today: Widespread dense fog, mainly before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 51. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 51 °F

    Dense Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Patchy dense fog after 5am. Otherwise, increasing clouds, with a low around 42. West wind around 5 mph becoming calm after midnight.

    Low: 42 °F

    Partly Cloudy
    then Patchy
    Dense Fog

  • Sunday

    Sunday: Patchy dense fog before 10am. Otherwise, partly sunny, with a high near 55. Calm wind becoming north around 5 mph in the afternoon.

    High: 55 °F

    Patchy Dense
    Fog then
    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43. West northwest wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 59. Calm wind becoming north northwest around 5 mph in the morning.

    High: 59 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 60.

    High: 60 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 62.

    High: 62 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

Today
Widespread dense fog, mainly before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 51. Calm wind becoming north northwest around 6 mph in the afternoon.
Tonight
Patchy dense fog after 5am. Otherwise, increasing clouds, with a low around 42. West wind around 5 mph becoming calm after midnight.
Sunday
Patchy dense fog before 10am. Otherwise, partly sunny, with a high near 55. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 43. West northwest wind around 5 mph becoming calm in the evening.
Monday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 59. Calm wind becoming north northwest around 5 mph in the morning.
Monday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 44.
Tuesday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 60.
Tuesday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 46.
Wednesday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 62.
Wednesday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 46.
Thursday
Patchy fog. Otherwise, mostly sunny, with a high near 63.
Thursday Night
Patchy fog. Otherwise, partly cloudy, with a low around 45.
Friday
Patchy fog. Otherwise, mostly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Brentwood CA
 37.93°N 121.7°W (Elev. 75 ft)
Last Update:
2:54 am PST Dec 6, 2025
Forecast Valid:
6am PST Dec 6, 2025-6pm PST Dec 12, 2025
 
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Additional Resources

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