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

Above Average Temperatures for the West and Central Plains; Lake Effect Snow Continues

Well above average temperatures will prevail across the Plains and the West Coast this week, while a cold front will bring Arctic air to the South and East Coast Thursday and Friday. Lake effect snow is forecast downwind of the Great Lakes through Thursday along and behind the Arctic front, as well as mountain snow across the Southern Appalachians. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

58°F

14°C

Humidity 31%
Wind Speed NNW 7 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 13 Jan 07:28 PM PST
Extended Forecast for

5 Miles N Discovery Bay CA

  • Tonight

    Tonight: Patchy dense fog before 4am, then patchy dense fog after 5am. Otherwise, partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Patchy dense fog before 9am. Otherwise, mostly sunny, with a high near 56. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 56 °F

    Patchy Dense
    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 60. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 60 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy dense fog between midnight and 1am. Otherwise, partly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Clear
    then Patchy
    Dense Fog

  • Saturday

    Saturday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy dense fog after 2am. Otherwise, partly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Clear
    then Patchy
    Dense Fog

Detailed Forecast

Tonight
Patchy dense fog before 4am, then patchy dense fog after 5am. Otherwise, partly cloudy, with a low around 39. Calm wind.
Wednesday
Patchy dense fog before 9am. Otherwise, mostly sunny, with a high near 56. Calm wind becoming northeast around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 39. Calm wind.
Thursday
Mostly sunny, with a high near 60. Calm wind becoming north northeast around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 41. Calm wind.
Friday
Mostly sunny, with a high near 61.
Friday Night
Patchy dense fog between midnight and 1am. Otherwise, partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 60.
Saturday Night
Patchy dense fog after 2am. Otherwise, partly cloudy, with a low around 42.
Sunday
Patchy dense fog before 9am. Otherwise, mostly sunny, with a high near 60.
Sunday Night
Patchy dense fog. Otherwise, partly cloudy, with a low around 42.
M.L.King Day
Patchy dense fog. Otherwise, partly sunny, with a high near 59.
Monday Night
Patchy dense fog. Otherwise, mostly cloudy, with a low around 43.
Tuesday
Patchy dense fog. Otherwise, partly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Discovery Bay CA
 37.97°N 121.57°W (Elev. 3 ft)
Last Update:
6:08 pm PST Jan 13, 2026
Forecast Valid:
8pm PST Jan 13, 2026-6pm PST Jan 20, 2026
 
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