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

Severe Weather and Flooding Threats for the Central U.S.; Fire Weather Concerns for the Western U.S.

Severe weather and flooding threats continue for portions of the central U.S., with impactful flash flooding possible from southern Kansas to southwestern Missouri. Extremely Critical fire weather conditions will develop across the Great Basin and Southwest on Friday, with dry and windy conditions through the weekend. Dangerous heat will increase across the southern and central U.S. this weekend. Read More >

Current conditions at

Berkeley Lab (LBNL1)

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

NA

53°F

12°C

Humidity 88%
Wind Speed SW 6 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 26 Jun 01:00 AM PDT
Extended Forecast for

Hercules CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 56. South southwest wind around 11 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 71. Southwest wind 11 to 16 mph, with gusts as high as 24 mph.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 57. West southwest wind 13 to 15 mph, with gusts as high as 23 mph.

    Low: 57 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 68. West southwest wind around 14 mph, with gusts as high as 22 mph.

    High: 68 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. West southwest wind 6 to 15 mph, with gusts as high as 22 mph.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 56. South southwest wind around 11 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 71. Southwest wind 11 to 16 mph, with gusts as high as 24 mph.
Friday Night
Mostly cloudy, with a low around 57. West southwest wind 13 to 15 mph, with gusts as high as 23 mph.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 68. West southwest wind around 14 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 53. West southwest wind 6 to 15 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Mostly sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Mostly sunny, with a high near 68.
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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:
1:06 am PDT Jun 26, 2026
Forecast Valid:
1am PDT Jun 26, 2026-6pm PDT Jul 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation