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

53°F

12°C

Humidity 75%
Wind Speed S 11 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 18 Oct 11:28 PM PDT
Extended Forecast for

2 Miles SSW Antioch CA

  • Overnight

    Overnight: Mostly clear, with a low around 54. West southwest wind 11 to 13 mph, with gusts as high as 25 mph.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, then becoming mostly cloudy during the afternoon, with a high near 70. West wind 11 to 15 mph, with gusts as high as 26 mph.

    High: 70 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 52. West wind 6 to 11 mph becoming light west southwest in the evening. Winds could gust as high as 21 mph.

    Low: 52 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 69. Light and variable wind.

    High: 69 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 56. Light north wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after 11am. Mostly cloudy, with a high near 70. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, mainly before 11am. Partly sunny, with a high near 70.

    High: 70 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 54. West southwest wind 11 to 13 mph, with gusts as high as 25 mph.
Monday
Sunny, then becoming mostly cloudy during the afternoon, with a high near 70. West wind 11 to 15 mph, with gusts as high as 26 mph.
Monday Night
Mostly cloudy, with a low around 52. West wind 6 to 11 mph becoming light west southwest in the evening. Winds could gust as high as 21 mph.
Tuesday
Mostly cloudy, with a high near 69. Light and variable wind.
Tuesday Night
A 50 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 56. Light north wind. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers likely, mainly after 11am. Mostly cloudy, with a high near 70. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 55.
Thursday
A chance of showers, mainly before 11am. Partly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Sunny, with a high near 71.
Friday Night
Clear, with a low around 51.
Saturday
Sunny, with a high near 71.
Saturday Night
A slight chance of rain. Mostly clear, with a low around 52.
Sunday
A slight chance of rain. Sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Antioch CA
 37.98°N 121.83°W (Elev. 180 ft)
Last Update:
11:26 pm PDT Oct 18, 2026
Forecast Valid:
12am PDT Oct 19, 2026-6pm PDT Oct 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation