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

Dangerous Cold and Gusty Winds Anticipated This Weekend

A significant arctic outbreak will bring frigid temperatures and dangerously cold wind chills to the Northeast and Mid-Atlantic this weekend. Strong winds which could produce tree damage and power outages, and periods of snow squalls are also possible. Relief from this cold and a warming trend is forecast to commence by the beginning to middle of next week. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

60°F

16°C

Humidity 68%
Wind Speed NNE 4 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 05 Feb 04:28 PM PST
Extended Forecast for

2 Miles NNW Discovery Bay CA

  • Tonight

    Tonight: Increasing clouds, with a low around 49. Calm wind.

    Low: 49 °F

    Increasing
    Clouds

  • Friday

    Friday: Cloudy through mid morning, then gradual clearing, with a high near 69. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 69 °F

    Gradual
    Clearing

  • Friday Night

    Friday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 46. West wind 3 to 5 mph.

    Low: 46 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Areas of fog before 8am. Otherwise, sunny, with a high near 67. Northwest wind 3 to 6 mph.

    High: 67 °F

    Areas Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 45. West southwest wind 3 to 5 mph.

    Low: 45 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 66.

    High: 66 °F

    Areas Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog before 1am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 50.

    Low: 50 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 62.

    High: 62 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: A slight chance of rain after 10pm. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Increasing clouds, with a low around 49. Calm wind.
Friday
Cloudy through mid morning, then gradual clearing, with a high near 69. Calm wind becoming north northwest around 5 mph in the afternoon.
Friday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 46. West wind 3 to 5 mph.
Saturday
Areas of fog before 8am. Otherwise, sunny, with a high near 67. Northwest wind 3 to 6 mph.
Saturday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 45. West southwest wind 3 to 5 mph.
Sunday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 66.
Sunday Night
Patchy fog before 1am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 50.
Monday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 62.
Monday Night
A slight chance of rain after 10pm. Mostly cloudy, with a low around 45.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 59.
Tuesday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 42.
Wednesday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 57.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Discovery Bay CA
 37.92°N 121.61°W (Elev. 7 ft)
Last Update:
12:26 pm PST Feb 5, 2026
Forecast Valid:
5pm PST Feb 5, 2026-6pm PST Feb 12, 2026
 
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Additional Resources

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Chance of Precipitation