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

Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

Concord, Buchanan Field (KCCR)

Lat: 37.99167°NLon: 122.05194°WElev: 23.0ft.

Mostly Cloudy

70°F

21°C

Humidity 60%
Wind Speed SSW 13 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 14 Aug 12:00 PM PDT
Extended Forecast for

4 Miles E Hercules CA

  • This Afternoon

    This Afternoon: Partly sunny, then gradually becoming sunny, with a high near 70. Southwest wind 11 to 15 mph, with gusts as high as 21 mph.

    High: 70 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 57. Southwest wind 11 to 14 mph, with gusts as high as 21 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 72. West southwest wind 10 to 13 mph.

    High: 72 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 55. Southwest wind 11 to 13 mph, with gusts as high as 18 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 75. West southwest wind 9 to 11 mph.

    High: 75 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, then gradually becoming sunny, with a high near 70. Southwest wind 11 to 15 mph, with gusts as high as 21 mph.
Tonight
Increasing clouds, with a low around 57. Southwest wind 11 to 14 mph, with gusts as high as 21 mph.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 72. West southwest wind 10 to 13 mph.
Saturday Night
Increasing clouds, with a low around 55. Southwest wind 11 to 13 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 75. West southwest wind 9 to 11 mph.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Partly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Hercules CA
 38.01°N 122.18°W (Elev. 597 ft)
Last Update:
11:27 am PDT Aug 14, 2026
Forecast Valid:
12pm PDT Aug 14, 2026-6pm PDT Aug 20, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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Chance of Precipitation