Arctic Front Brings Winter Weather and Colder Temperatures to the Eastern U.S.

A series of cold fronts will bring heavy lake effect snow to the northern Great Lakes. The fronts will merge over the Ohio Valley and bring colder temperatures east of the Mississippi River later today into the end of the week. Additionally, wintry weather will develop over the Ohio Valley, Appalachians, and Northeast as rain switches over to snow tonight into Thursday morning. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

58°F

14°C

Humidity 53%
Wind Speed N 5 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 14 Jan 11:28 AM PST
Extended Forecast for

5 Miles N Discovery Bay CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 60. North northeast wind around 5 mph.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Patchy dense fog before 9pm, then patchy dense fog after 10pm.  Otherwise, partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Dense
    Fog

  • Thursday

    Thursday: Patchy dense fog before 11am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 61. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 61 °F

    Patchy Dense
    Fog then
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am.  Otherwise, sunny, with a high near 61. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 61 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 60.

    High: 60 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 60.

    High: 60 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 60. North northeast wind around 5 mph.
Tonight
Patchy dense fog before 9pm, then patchy dense fog after 10pm. Otherwise, partly cloudy, with a low around 40. Calm wind.
Thursday
Patchy dense fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 61. Calm wind becoming north northeast around 5 mph in the afternoon.
Thursday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 42. Calm wind.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 61. Calm wind becoming north northeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 41.
Saturday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 60.
Saturday Night
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 42.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 60.
Sunday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 42.
M.L.King Day
Patchy fog. Otherwise, partly sunny, with a high near 60.
Monday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 42.
Tuesday
Areas of fog. Otherwise, mostly cloudy, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Discovery Bay CA
 37.97°N 121.57°W (Elev. 3 ft)
4:55 am PST Jan 14, 2026
12pm PST Jan 14, 2026-6pm PST Jan 20, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database