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Hazardous Weather Conditions

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

95°F

35°C

Humidity 15%
Wind Speed SW 5 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Heat Index91°F (33°C)
Last update 07 Oct 03:28 PM PDT
Extended Forecast for

Clayton CA

Heat Advisory October 7, 04:08pm until October 8, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory October 7, 04:08pm until October 8, 10:00pm

    NOW until 10:00pm Thu

    Heat Advisory

  • Tonight

    Low: 59 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98. Calm wind becoming west northwest 5 to 8 mph in the morning.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 58. Southwest wind around 6 mph.

    Low: 58 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 87. West southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55. Southwest wind 11 to 18 mph, with gusts as high as 37 mph.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 59. West wind around 6 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 98. Calm wind becoming west northwest 5 to 8 mph in the morning.
Thursday Night
Clear, with a low around 58. Southwest wind around 6 mph.
Friday
Sunny, with a high near 87. West southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 55. Southwest wind 11 to 18 mph, with gusts as high as 37 mph.
Saturday
Sunny, with a high near 73.
Saturday Night
Clear, with a low around 48.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 51.
Columbus Day
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clayton CA
 37.94°N 121.96°W (Elev. 400 ft)
Last Update:
1:26 pm PDT Oct 7, 2026
Forecast Valid:
4pm PDT Oct 7, 2026-6pm PDT Oct 14, 2026
 
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