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

56°F

13°C

Humidity 83%
Wind Speed N 13 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 05 Feb 10:28 AM PST
Extended Forecast for

2 Miles NNW Discovery Bay CA

  • Today

    Today: Sunny, with a high near 67. North northeast wind around 5 mph.

    High: 67 °F

    Sunny

  • Tonight

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

    Low: 49 °F

    Increasing
    Clouds

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 68. Calm wind becoming north around 5 mph in the afternoon.

    High: 68 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 45. Light west wind.

    Low: 45 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 66. Calm wind becoming northwest around 6 mph in the morning.

    High: 66 °F

    Areas Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 66.

    High: 66 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: A slight chance of rain. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 49.

    Low: 49 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Monday

    Monday: A slight chance of rain after 4pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 62.

    High: 62 °F

    Patchy Fog
    then Slight
    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 67. North northeast wind around 5 mph.
Tonight
Increasing clouds, with a low around 49. Calm wind.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 68. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 45. Light west wind.
Saturday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 66. Calm wind becoming northwest around 6 mph in the morning.
Saturday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 45.
Sunday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 66.
Sunday Night
A slight chance of rain. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 49.
Monday
A slight chance of rain after 4pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 62.
Monday Night
A slight chance of rain before 10pm. Partly cloudy, with a low around 43.
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 41.
Wednesday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 57.
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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:
8:44 am PST Feb 5, 2026
Forecast Valid:
11am PST Feb 5, 2026-6pm PST Feb 11, 2026
 
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Additional Resources

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Chance of Precipitation