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

Dangerous Heat Wave Continues; Areas of Severe Thunderstorms Today

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing on the eastern U.S. through the Independence Day weekend. Peak heat indices of up to 115 degrees are possible. Strong to severe thunderstorms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians today. Read More >

Current conditions at

Berkeley Lab (LBNL1)

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

NA

54°F

12°C

Humidity 87%
Wind Speed WNW 2 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 02 Jul 06:00 AM PDT
Extended Forecast for

Hercules CA

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 70. Southwest wind 8 to 14 mph, with gusts as high as 20 mph.

    High: 70 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 53. South southwest wind 9 to 13 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 72. Southwest wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 72 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 54. South southwest wind 11 to 13 mph, with gusts as high as 18 mph.

    Low: 54 °F

    Increasing
    Clouds

  • Independence Day

    Independence Day: Mostly sunny, with a high near 71. Southwest wind 9 to 13 mph, with gusts as high as 18 mph.

    High: 71 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Sunday Night

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

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 70. Southwest wind 8 to 14 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 53. South southwest wind 9 to 13 mph, with gusts as high as 20 mph.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 72. Southwest wind 8 to 11 mph, with gusts as high as 18 mph.
Friday Night
Increasing clouds, with a low around 54. South southwest wind 11 to 13 mph, with gusts as high as 18 mph.
Independence Day
Mostly sunny, with a high near 71. Southwest wind 9 to 13 mph, with gusts as high as 18 mph.
Saturday Night
Mostly cloudy, with a low around 54.
Sunday
Partly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Partly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 74.
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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:
2:47 am PDT Jul 2, 2026
Forecast Valid:
6am PDT Jul 2, 2026-6pm PDT Jul 8, 2026
 
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