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

45°F

7°C

Humidity 96%
Wind Speed NNE 12 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Wind Chill39°F (4°C)
Last update 25 Nov 10:28 PM PST
Extended Forecast for

Oakley CA

Dense Fog Advisory November 25, 11:16pm until November 26, 11:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory November 25, 11:16pm until November 26, 11:00am

    NOW until 11:00am Wed

    Dense Fog Advisory

  • Tonight

    Low: 44 °F

    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 57. East northeast wind 3 to 6 mph.

    High: 57 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Cloudy, then gradually becoming mostly sunny, with a high near 60. Light east wind.

    High: 60 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

Tonight
Patchy dense fog before 3am. Otherwise, mostly cloudy, with a low around 44. Calm wind.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 57. East northeast wind 3 to 6 mph.
Wednesday Night
Mostly cloudy, with a low around 43. Calm wind.
Thanksgiving Day
Cloudy, then gradually becoming mostly sunny, with a high near 60. Light east wind.
Thursday Night
Partly cloudy, with a low around 45. Calm wind.
Friday
Mostly sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Mostly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oakley CA
 38°N 121.72°W (Elev. 26 ft)
Last Update:
10:12 pm PST Nov 25, 2025
Forecast Valid:
11pm PST Nov 25, 2025-6pm PST Dec 2, 2025
 
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