Winter Weather in the Eastern U.S.; Heavy Rains Begin Across the Southern Plains into the Ohio Valley

A wintry mix may impact travel across portions of the Mid-Atlantic through the morning and the Northeast U.S. through Tuesday. Heavy rain and thunderstorms may cause a flooding threat across the Southern Plains into the Ohio Valley beginning Tuesday. Fire weather concerns will continue across portions of the central and southern High Plains through Wednesday. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

54°F

12°C

Humidity 81%
Wind Speed S 8 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 02 Mar 07:28 PM PST
Extended Forecast for

Brentwood CA

  • Tonight

    Tonight: Mostly clear, with a low around 48. West wind around 6 mph.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69. Light and variable wind becoming northwest around 6 mph in the afternoon.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 48. West southwest wind around 7 mph.

    Low: 48 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 66. West wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 66 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Clear, with a low around 44. West wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 50.

    Low: 50 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 48. West wind around 6 mph.
Tuesday
Sunny, with a high near 69. Light and variable wind becoming northwest around 6 mph in the afternoon.
Tuesday Night
Increasing clouds, with a low around 48. West southwest wind around 7 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 66. West wind 6 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Clear, with a low around 44. West wind 7 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 65.
Thursday Night
Clear, with a low around 48.
Friday
Sunny, with a high near 69.
Friday Night
Clear, with a low around 50.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Partly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Brentwood CA
 37.93°N 121.7°W (Elev. 75 ft)
12:26 pm PST Mar 2, 2026
7pm PST Mar 2, 2026-6pm PDT Mar 9, 2026
 
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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