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

Tracking Winter Weather and Frigid Temperatures This Weekend

Another clipper will drop into the Northern Plains and Upper Midwest into Sunday with snow and gusty winds contributing to some areas of blizzard conditions and snow squalls. Impactful snowfall will occur up and down the East Coast Sunday extending from the western Florida Panhandle to Maine. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

57°F

14°C

Humidity 44%
Wind Speed NNE 13 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 18 Jan 12:28 AM PST
Extended Forecast for

5 Miles N Discovery Bay CA

  • Overnight

    Overnight: Areas of dense fog. Otherwise, mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Areas Dense
    Fog

  • Sunday

    Sunday: Areas of dense fog before noon. Otherwise, partly sunny, with a high near 60. Light north wind.

    High: 60 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy dense fog before midnight, then patchy dense fog after 1am. Otherwise, mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Dense
    Fog

  • M.L.King Day

    M.L.King Day: Patchy dense fog before 10am. Otherwise, mostly sunny, with a high near 59. Calm wind becoming north around 5 mph in the afternoon.

    High: 59 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Monday Night

    Monday Night: Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 61.

    High: 61 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 41.

    Low: 41 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before 10am. Otherwise, partly sunny, with a high near 60.

    High: 60 °F

    Areas Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 43.

    Low: 43 °F

    Patchy Fog

Detailed Forecast

Overnight
Areas of dense fog. Otherwise, mostly cloudy, with a low around 41. Calm wind.
Sunday
Areas of dense fog before noon. Otherwise, partly sunny, with a high near 60. Light north wind.
Sunday Night
Patchy dense fog before midnight, then patchy dense fog after 1am. Otherwise, mostly cloudy, with a low around 40. Calm wind.
M.L.King Day
Patchy dense fog before 10am. Otherwise, mostly sunny, with a high near 59. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 40. Calm wind.
Tuesday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 61.
Tuesday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 41.
Wednesday
Areas of fog before 10am. Otherwise, partly sunny, with a high near 60.
Wednesday Night
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 43.
Thursday
Areas of fog before 11am. Otherwise, partly sunny, with a high near 60.
Thursday Night
Patchy fog. Otherwise, partly cloudy, with a low around 43.
Friday
Patchy fog. Otherwise, mostly sunny, with a high near 60.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 43.
Saturday
Patchy fog. Otherwise, partly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Discovery Bay CA
 37.97°N 121.57°W (Elev. 3 ft)
Last Update:
12:26 am PST Jan 18, 2026
Forecast Valid:
1am PST Jan 18, 2026-6pm PST Jan 24, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation