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

41°F

5°C

Humidity 100%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 30 Nov 06:28 PM PST
Extended Forecast for

Antioch CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. Calm wind becoming west around 5 mph.

    Low: 40 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 54. East northeast wind 3 to 6 mph.

    High: 54 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. Light and variable wind.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 61. Calm wind.

    High: 61 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43. West southwest wind 5 to 7 mph becoming north northwest after midnight.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 40. Calm wind becoming west around 5 mph.
Monday
Partly sunny, with a high near 54. East northeast wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 43. Light and variable wind.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 61. Calm wind.
Tuesday Night
Partly cloudy, with a low around 43. West southwest wind 5 to 7 mph becoming north northwest after midnight.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Sunny, with a high near 60.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 43.
Saturday
Patchy fog. Otherwise, mostly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Partly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Antioch CA
 38°N 121.81°W (Elev. 36 ft)
Last Update:
5:59 pm PST Nov 30, 2025
Forecast Valid:
7pm PST Nov 30, 2025-6pm PST Dec 7, 2025
 
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