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

Hazardous Weather Conditions

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

81°F

27°C

Humidity 21%
Wind Speed S 7 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Heat Index79°F (26°C)
Last update 07 Oct 10:28 PM PDT
Extended Forecast for

Brentwood CA

Heat Advisory October 7, 11:11pm until October 8, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory October 7, 11:11pm until October 8, 10:00pm

    NOW until 10:00pm Thu

    Heat Advisory

  • Tonight

    Low: 62 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 63. Light west wind.

    Low: 63 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 92. Light west southwest wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 92 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 59. Southwest wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 59 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Saturday Night

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

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 62. Light west wind.
Thursday
Sunny and hot, with a high near 98. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Thursday Night
Clear, with a low around 63. Light west wind.
Friday
Sunny, with a high near 92. Light west southwest wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
Clear, with a low around 59. Southwest wind 7 to 9 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 53.
Columbus Day
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 78.
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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:
10:21 pm PDT Oct 7, 2026
Forecast Valid:
11pm PDT Oct 7, 2026-6pm PDT Oct 14, 2026
 
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