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

Hazardous Weather Conditions

Current conditions at

Port Chicago (PCOC1)

Lat: 38.056°NLon: 122.0395°WElev: 0.0ft.

NA

91°F

33°C

Humidity NA
Wind Speed NW 2 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

4 Miles NNW Concord CA

Heat Advisory October 3, 04:41pm until October 7, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory October 3, 04:41pm until October 7, 10:00pm

    NOW until 10:00pm Wed

    Heat Advisory

  • Tonight

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy and hot, with a high near 98. Calm wind becoming east northeast around 6 mph.

    High: 98 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. Light southwest wind.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 99. Calm wind becoming north around 5 mph.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 66. West southwest wind 3 to 6 mph.

    Low: 66 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

Detailed Forecast

Tonight
Mostly clear, with a low around 67. Light and variable wind.
Sunday
Mostly cloudy and hot, with a high near 98. Calm wind becoming east northeast around 6 mph.
Sunday Night
Mostly clear, with a low around 65. Light southwest wind.
Monday
Sunny and hot, with a high near 99. Calm wind becoming north around 5 mph.
Monday Night
Clear, with a low around 66. West southwest wind 3 to 6 mph.
Tuesday
Sunny and hot, with a high near 100.
Tuesday Night
Clear, with a low around 65.
Wednesday
Sunny and hot, with a high near 99.
Wednesday Night
Clear, with a low around 63.
Thursday
Sunny and hot, with a high near 97.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Concord CA
 38.02°N 122.01°W (Elev. 154 ft)
Last Update:
1:30 pm PDT Oct 3, 2026
Forecast Valid:
4pm PDT Oct 3, 2026-6pm PDT Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation