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

BLACK DIAMOND (PIBC1)

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

NA

50°F

10°C

Humidity 81%
Wind Speed S 11 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Wind Chill46°F (8°C)
Last update 19 Oct 09:28 PM PDT
Extended Forecast for

Oakley CA

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 53. West wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 71. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 71 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly between 10pm and 5am. Mostly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly between 10am and 4pm. Partly sunny, with a high near 72. West wind around 6 mph.

    High: 72 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 57. West wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers. Mostly cloudy, with a high near 71. New precipitation amounts of less than a tenth of an inch possible.

    High: 71 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Patchy fog before 8am. Otherwise, sunny, with a high near 74.

    High: 74 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 53. West wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 71. Calm wind becoming north northwest around 5 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers, mainly between 10pm and 5am. Mostly cloudy, with a low around 56. Calm wind.
Wednesday
A 30 percent chance of showers, mainly between 10am and 4pm. Partly sunny, with a high near 72. West wind around 6 mph.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 57. West wind around 5 mph becoming calm in the evening.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 71. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 74.
Friday Night
Clear, with a low around 52.
Saturday
Sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 53.
Monday
Mostly sunny, with a high near 72.
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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:
9:12 pm PDT Oct 19, 2026
Forecast Valid:
10pm PDT Oct 19, 2026-6pm PDT Oct 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation