Tracking Areas of Winter Weather and Heavy Rainfall

A cold front will move through the Great Lakes and Northeast U.S. today, bringing areas of snow and snow squalls which can bring rapid reductions to visibility and slick roads. A storm system will shift from the northern Gulf Coast through the Southeast U.S. today through Friday with areas of heavy to excessive rainfall and light snow further north. Heavy snow is also expected in the Rockies. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

40°F

4°C

Humidity 100%
Wind Speed NNE 11 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Wind Chill33°F (1°C)
Last update 04 Dec 10:28 AM PST
Extended Forecast for

Brentwood CA

  • Today

    Today: Partly sunny, with a high near 53. Light northeast wind.

    High: 53 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 41. Light west wind.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 59. Light and variable wind.

    High: 59 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 61. Calm wind becoming northwest around 5 mph in the morning.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 62.

    High: 62 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 53. Light northeast wind.
Tonight
Mostly clear, with a low around 41. Light west wind.
Friday
Mostly sunny, with a high near 59. Light and variable wind.
Friday Night
Mostly clear, with a low around 43. Calm wind.
Saturday
Mostly sunny, with a high near 61. Calm wind becoming northwest around 5 mph in the morning.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Partly sunny, with a high near 62.
Sunday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 45.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Patchy fog. Otherwise, partly sunny, with a high near 61.
Tuesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 45.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Brentwood CA
 37.93°N 121.7°W (Elev. 75 ft)
11:22 am PST Dec 4, 2025
11am PST Dec 4, 2025-6pm PST Dec 10, 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