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

Tracking Winter Weather and Frigid Temperatures Through This Weekend

A clipper storm will move across the Great Lakes through this weekend with periods of light snow, gusty winds, and lake effect snow bands which could make for hazardous travel at times. A frigid airmass will spread eastward behind this storm into the Midwest and Eastern U.S. through the weekend. Read More >

Current conditions at

Berkeley Lab (LBNL1)

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

NA

70°F

21°C

Humidity 19%
Wind Speed ENE 10 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 16 Jan 03:15 PM PST
Extended Forecast for

Hercules CA

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 47. East wind 5 to 7 mph.

    Low: 47 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 60. East wind 7 to 9 mph.

    High: 60 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

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

    Low: 46 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 62. Northeast wind around 7 mph.

    High: 62 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 60.

    High: 60 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 47. East wind 5 to 7 mph.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 60. East wind 7 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 46. East northeast wind around 6 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 62. Northeast wind around 7 mph.
Sunday Night
Mostly clear, with a low around 44. Calm wind.
M.L.King Day
Sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Partly sunny, with a high near 59.
Wednesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 46.
Thursday
Areas of fog. Otherwise, partly sunny, with a high near 58.
Thursday Night
Patchy fog. Otherwise, partly cloudy, with a low around 46.
Friday
Patchy fog. Otherwise, mostly sunny, with a high near 57.
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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 Jan 16, 2026
Forecast Valid:
3pm PST Jan 16, 2026-6pm PST Jan 23, 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