Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

61°F

16°C

Humidity 55%
Wind Speed SE 9 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 10 Oct 05:28 AM PDT
Extended Forecast for

Brentwood CA

  • Today

    Today: Sunny, with a high near 74. West southwest wind 9 to 14 mph, with gusts as high as 25 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 50. West southwest wind 5 to 9 mph becoming calm  in the evening.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 75. Light and variable wind becoming northwest around 6 mph in the morning.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53. West wind 5 to 7 mph becoming calm  in the evening.

    Low: 53 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 72. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 74. West southwest wind 9 to 14 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 50. West southwest wind 5 to 9 mph becoming calm in the evening.
Sunday
Sunny, with a high near 75. Light and variable wind becoming northwest around 6 mph in the morning.
Sunday Night
Mostly clear, with a low around 53. West wind 5 to 7 mph becoming calm in the evening.
Columbus Day
Sunny, with a high near 72. Calm wind becoming east southeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 85.
Thursday Night
Clear, with a low around 57.
Friday
Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Brentwood CA
 37.93°N 121.7°W (Elev. 75 ft)
3:22 am PDT Oct 10, 2026
5am PDT Oct 10, 2026-6pm PDT Oct 16, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database