Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

79°F

26°C

Humidity 25%
Wind Speed SE 9 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Heat Index78°F (26°C)
Last update 10 Aug 02:28 AM PDT
Extended Forecast for

Antioch CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 91. West wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 63. West northwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 63 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 86. West northwest wind 5 to 13 mph, with gusts as high as 21 mph.

    High: 86 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. West southwest wind 7 to 13 mph, with gusts as high as 21 mph.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80. West southwest wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 91. West wind 9 to 11 mph, with gusts as high as 21 mph.
Tonight
Increasing clouds, with a low around 63. West northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday
Partly sunny, with a high near 86. West northwest wind 5 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 63. West southwest wind 7 to 13 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 80. West southwest wind 5 to 11 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Partly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Antioch CA
 38°N 121.81°W (Elev. 36 ft)
1:26 pm PDT Aug 11, 2026
1pm PDT Aug 11, 2026-6pm PDT Aug 17, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database