Winter Weather in the Eastern U.S.; Heavy Rains Begin Across the Southern Plains into the Ohio Valley

A wintry mix may impact travel across portions of the Mid-Atlantic through the morning and the Northeast U.S. through Tuesday. Heavy rain and thunderstorms may cause a flooding threat across the Southern Plains into the Ohio Valley beginning Tuesday. Fire weather concerns will continue across portions of the central and southern High Plains through Wednesday. Read More >

Current conditions at

Berkeley Lab (LBNL1)

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

NA

53°F

12°C

Humidity 88%
Wind Speed NNW 6 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 02 Mar 09:45 PM PST
Extended Forecast for

Hercules CA

  • Tonight

    Tonight: Increasing clouds, with a low around 50. West southwest wind around 7 mph.

    Low: 50 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64. West southwest wind 5 to 10 mph.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 50. West southwest wind around 9 mph.

    Low: 50 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 64. West wind 10 to 17 mph, with gusts as high as 26 mph.

    High: 64 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 45. Northwest wind 10 to 15 mph, with gusts as high as 28 mph.

    Low: 45 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 49.

    Low: 49 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 50. West southwest wind around 7 mph.
Tuesday
Mostly sunny, with a high near 64. West southwest wind 5 to 10 mph.
Tuesday Night
Increasing clouds, with a low around 50. West southwest wind around 9 mph.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 64. West wind 10 to 17 mph, with gusts as high as 26 mph.
Wednesday Night
Clear, with a low around 45. Northwest wind 10 to 15 mph, with gusts as high as 28 mph.
Thursday
Sunny, with a high near 65.
Thursday Night
Clear, with a low around 49.
Friday
Sunny, with a high near 69.
Friday Night
Clear, with a low around 53.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Partly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Hercules CA
 38.02°N 122.27°W (Elev. 92 ft)
12:26 pm PST Mar 2, 2026
10pm PST Mar 2, 2026-6pm PDT Mar 9, 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