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

Arctic Air for the Northeast and Mid-Atlantic; Increase Moisture for Pacific Northwest; Active Pattern for Hawaii

An arctic cold front will impact the Great Lakes, Northeast and mid-Atlantic. Snow showers and squalls will accompany this system with increasing winds and falling temperatures. Damaging wind gusts may result in tree damage and power outages. Meanwhile, moisture returns for the Pacific Northwest and Hawaii this weekend with both coverage and intensity of rainfall and higher elevation snows. Read More >

Current conditions at

Berkeley Lab (LBNL1)

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

NA

62°F

17°C

Humidity 63%
Wind Speed W 2 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 07 Feb 12:15 PM PST
Extended Forecast for

Hercules CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 63. West southwest wind 5 to 7 mph.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 49. West southwest wind 3 to 6 mph.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 63. Light southwest wind becoming west southwest 5 to 9 mph in the morning.

    High: 63 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 50. West southwest wind around 7 mph.

    Low: 50 °F

    Patchy Fog

  • Monday

    Monday: Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 62. North northwest wind 5 to 7 mph.

    High: 62 °F

    Areas Fog
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 49. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A 50 percent chance of rain. Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain, mainly before 4pm. Mostly sunny, with a high near 58.

    High: 58 °F

    Chance Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 63. West southwest wind 5 to 7 mph.
Tonight
Partly cloudy, with a low around 49. West southwest wind 3 to 6 mph.
Sunday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 63. Light southwest wind becoming west southwest 5 to 9 mph in the morning.
Sunday Night
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 50. West southwest wind around 7 mph.
Monday
Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 62. North northwest wind 5 to 7 mph.
Monday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 49. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 57.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 45.
Wednesday
A chance of rain, mainly before 4pm. Mostly sunny, with a high near 58.
Wednesday Night
A slight chance of rain before 10pm. Mostly clear, with a low around 44.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 44.
Friday
A slight chance of rain. Partly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hercules CA
 38.02°N 122.27°W (Elev. 92 ft)
Last Update:
12:26 pm PST Feb 7, 2026
Forecast Valid:
12pm PST Feb 7, 2026-6pm PST Feb 13, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation