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

Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

52°F

11°C

Humidity 41%
Wind Speed NNE 9 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 27 Jan 12:28 AM PST
Extended Forecast for

5 Miles N Discovery Bay CA

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Patchy Fog

  • Tuesday

    Tuesday: Mostly sunny, then becoming cloudy during the afternoon, with a high near 59. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 59 °F

    Becoming
    Cloudy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 45. Light south southwest wind.

    Low: 45 °F

    Chance Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 59. North northwest wind 3 to 7 mph.

    High: 59 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42. West northwest wind 3 to 5 mph.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 61.

    High: 61 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 36. Calm wind.
Tuesday
Mostly sunny, then becoming cloudy during the afternoon, with a high near 59. Calm wind becoming east southeast around 5 mph in the afternoon.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 45. Light south southwest wind.
Wednesday
Partly sunny, with a high near 59. North northwest wind 3 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 42. West northwest wind 3 to 5 mph.
Thursday
Partly sunny, with a high near 60.
Thursday Night
Mostly cloudy, with a low around 43.
Friday
Mostly cloudy, with a high near 61.
Friday Night
Mostly cloudy, with a low around 44.
Saturday
Mostly cloudy, with a high near 61.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
A slight chance of rain. Mostly cloudy, with a high near 62.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 63.
Basemap Options
Click map to change the forecast location
Loading map...
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:
12:26 am PST Jan 27, 2026
Forecast Valid:
1am PST Jan 27, 2026-6pm PST Feb 2, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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