Prolonged Extreme Cold; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the Gulf Coast, upper Ohio Valley, Mid-Atlantic, and Southeast U.S. into this weekend. A rapidly deepening storm centered just off the North Carolina coast Friday night through Saturday night will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia. Read More >

Current conditions at

Berkeley Lab (LBNL1)

Lat: 37.8771°NLon: 122.2486°WElev: 888.0ft.

NA

59°F

15°C

Humidity 43%
Wind Speed ENE 4 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 29 Jan 08:30 PM PST
Extended Forecast for

Hercules CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. Light east northeast wind.

    Low: 45 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 60. East northeast wind 6 to 8 mph.

    High: 60 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 46. East northeast wind around 6 mph.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 61. East northeast wind 7 to 9 mph.

    High: 61 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 46. East northeast wind around 5 mph becoming calm  in the evening.

    Low: 46 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 62.

    High: 62 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 45. Light east northeast wind.
Friday
Partly sunny, with a high near 60. East northeast wind 6 to 8 mph.
Friday Night
Mostly cloudy, with a low around 46. East northeast wind around 6 mph.
Saturday
Partly sunny, with a high near 61. East northeast wind 7 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 46. East northeast wind around 5 mph becoming calm in the evening.
Sunday
Mostly cloudy, with a high near 62.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 63.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 63.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Mostly sunny, with a high near 64.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Hercules CA
 38.02°N 122.27°W (Elev. 92 ft)
12:27 pm PST Jan 29, 2026
8pm PST Jan 29, 2026-6pm PST Feb 5, 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