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

89°F

32°C

Humidity 17%
Wind Speed S 14 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Heat Index85°F (29°C)
Last update 08 Oct 05:28 PM PDT
Extended Forecast for

5 Miles W Brentwood CA

Heat Advisory October 8, 05:43pm until October 8, 10:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory October 8, 05:43pm until October 8, 10:00pm

    NOW until 10:00pm Thu

    Heat Advisory

  • Tonight

    Low: 67 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 90. West wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. Southwest wind 11 to 21 mph, with gusts as high as 33 mph.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 73. Southwest wind around 17 mph, with gusts as high as 32 mph.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52. Southwest wind 15 to 18 mph, with gusts as high as 29 mph.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 67. West wind around 7 mph.
Friday
Sunny, with a high near 90. West wind 6 to 11 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 61. Southwest wind 11 to 21 mph, with gusts as high as 33 mph.
Saturday
Sunny, with a high near 73. Southwest wind around 17 mph, with gusts as high as 32 mph.
Saturday Night
Mostly clear, with a low around 52. Southwest wind 15 to 18 mph, with gusts as high as 29 mph.
Sunday
Sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 53.
Columbus Day
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Clear, with a low around 57.
Thursday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Brentwood CA
 37.92°N 121.79°W (Elev. 400 ft)
Last Update:
1:41 pm PDT Oct 8, 2026
Forecast Valid:
5pm PDT Oct 8, 2026-6pm PDT Oct 15, 2026
 
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