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

Critical Fire Weather in the Plains; Unseasonably Warm in the Southwest and Southern U.S.

Unseasonably warm temperatures continue through the weekend across the Southwest and southern U.S., with more than 100 record or near record maximum temperatures forecast through the rest of the week and over the weekend. Elevated to critical fire weather conditions will persist across the Plains and Southeast U.S. this weekend. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

69°F

21°C

Humidity 35%
Wind Speed SSW 4 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 29 Mar 12:28 AM PDT
Extended Forecast for

Brentwood CA

  • Overnight

    Overnight: Mostly clear, with a low around 56. West northwest wind 3 to 5 mph.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 87. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57. West southwest wind 5 to 7 mph.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 80. West southwest wind 3 to 7 mph.

    High: 80 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 58. West southwest wind 6 to 8 mph.

    Low: 58 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain. Mostly cloudy, with a high near 72.

    High: 72 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain. Partly sunny, with a high near 71.

    High: 71 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 56. West northwest wind 3 to 5 mph.
Sunday
Sunny, with a high near 87. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 57. West southwest wind 5 to 7 mph.
Monday
Partly sunny, with a high near 80. West southwest wind 3 to 7 mph.
Monday Night
Mostly cloudy, with a low around 58. West southwest wind 6 to 8 mph.
Tuesday
A 20 percent chance of rain. Mostly cloudy, with a high near 72.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 53.
Wednesday
A chance of rain. Partly sunny, with a high near 71.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 50.
Thursday
A slight chance of rain before 11am. Sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 80.
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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:
12:56 am PDT Mar 29, 2026
Forecast Valid:
1am PDT Mar 29, 2026-6pm PDT Apr 4, 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