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

Heavy Rainfall and Flooding in the Mid-Atlantic; Heat and Wildfire Concerns in the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region through tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the West with dry and breezy conditions. Watching the tropics across the Southeast. Read More >

Current conditions at

Berkeley Lab (LBNL1)

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

NA

55°F

13°C

Humidity 90%
Wind Speed E 4 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 14 Jul 07:00 PM PDT
Extended Forecast for

Hercules CA

  • Tonight

    Tonight: Increasing clouds, with a low around 54. South southwest wind around 10 mph.

    Low: 54 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 68. Southwest wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 68 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 54. Southwest wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 67. Southwest wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 67 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56. West southwest wind 9 to 13 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 54. South southwest wind around 10 mph.
Tuesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 68. Southwest wind 9 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
Increasing clouds, with a low around 54. Southwest wind 10 to 13 mph, with gusts as high as 20 mph.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 67. Southwest wind 9 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 56. West southwest wind 9 to 13 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 54.
Monday
Mostly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hercules CA
 38°N 122.27°W (Elev. 377 ft)
Last Update:
3:02 pm PDT Jul 14, 2025
Forecast Valid:
7pm PDT Jul 14, 2025-6pm PDT Jul 21, 2025
 
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