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

Extreme Heat Lingers; Severe Thunderstorms for Portions of the Plains and Southeast; Heavy Rainfall Threats

Gusty winds and heavy rainfall may impact the Big Island of Hawaii as a nearby tropical system passes west of the islands. From the Southwest U.S., Rockies and across the Gulf Coast, heavy rainfall could lead to isolated flash flooding. Severe thunderstorms are expected for areas of the Plains, Gulf Coast and Southeast through Tuesday. Extreme heat lingers for the southern Plains and Southwest. Read More >

Current conditions at

DW6436 Berkeley (D6436)

Lat: 37.8925°NLon: 122.28083°WElev: 170.44ft.

NA

N/A

Humidity NA
Wind Speed NA NA MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

Hercules CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 74. South southwest wind 10 to 14 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 57. South southwest wind 7 to 9 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 78. South southwest wind 7 to 9 mph.

    High: 78 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 57. South southwest wind 6 to 9 mph.

    Low: 57 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 81. Southwest wind 6 to 9 mph.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 74. South southwest wind 10 to 14 mph.
Tonight
Increasing clouds, with a low around 57. South southwest wind 7 to 9 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 78. South southwest wind 7 to 9 mph.
Tuesday Night
Mostly cloudy, with a low around 57. South southwest wind 6 to 9 mph.
Wednesday
Sunny, with a high near 81. Southwest wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hercules CA
 38°N 122.27°W (Elev. 377 ft)
Last Update:
11:27 am PDT Aug 24, 2026
Forecast Valid:
12pm PDT Aug 24, 2026-6pm PDT Aug 30, 2026
 
Forecast Discussion
 
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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