Tracking Areas of Winter Weather and Heavy Rainfall

A cold front will move through the Great Lakes and Northeast U.S. today, bringing areas of snow and snow squalls which can bring rapid reductions to visibility and slick roads. A storm system will shift from the northern Gulf Coast through the Southeast U.S. today through Friday with areas of heavy to excessive rainfall and light snow further north. Heavy snow is also expected in the Rockies. Read More >

Current conditions at

Berkeley Lab (LBNL1)

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

NA

49°F

9°C

Humidity 50%
Wind Speed ENE 2 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 04 Dec 05:00 AM PST
Extended Forecast for

Hercules CA

  • Today

    Today: Sunny, with a high near 55. East wind 8 to 13 mph.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. Light south wind.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 60. East wind around 6 mph becoming light and variable  in the morning.

    High: 60 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. South southwest wind around 5 mph becoming calm  after midnight.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 59. East wind around 5 mph becoming calm  in the morning.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Sunday Night

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

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 55. East wind 8 to 13 mph.
Tonight
Mostly clear, with a low around 43. Light south wind.
Friday
Mostly sunny, with a high near 60. East wind around 6 mph becoming light and variable in the morning.
Friday Night
Partly cloudy, with a low around 46. South southwest wind around 5 mph becoming calm after midnight.
Saturday
Mostly sunny, with a high near 59. East wind around 5 mph becoming calm in the morning.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Partly sunny, with a high near 61.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Partly sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 61.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Hercules CA
 38°N 122.27°W (Elev. 377 ft)
2:09 am PST Dec 4, 2025
5am PST Dec 4, 2025-6pm PST Dec 10, 2025
 
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