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

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Port Chicago (PCOC1)

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

NA

44°F

7°C

Humidity NA
Wind Speed NE 5 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint N/A
Visibility NA
Wind Chill41°F (5°C)
Last update NA
Extended Forecast for

5 Miles NNW Concord CA

Cold Weather Advisory until January 12, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until January 12, 09:00am

    NOW until 9:00am Mon

    Cold Weather Advisory

  • Overnight

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 54. Northeast wind around 7 mph.

    High: 54 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. East northeast wind around 6 mph.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 57. East northeast wind around 8 mph.

    High: 57 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40. Light and variable wind becoming northeast around 5 mph after midnight.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 37. East northeast wind around 5 mph.
Monday
Sunny, with a high near 54. Northeast wind around 7 mph.
Monday Night
Mostly clear, with a low around 38. East northeast wind around 6 mph.
Tuesday
Sunny, with a high near 57. East northeast wind around 8 mph.
Tuesday Night
Mostly clear, with a low around 40. Light and variable wind becoming northeast around 5 mph after midnight.
Wednesday
Sunny, with a high near 57.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 43.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Concord CA
 38.04°N 122.02°W (Elev. 151 ft)
Last Update:
12:26 am PST Jan 12, 2026
Forecast Valid:
5am PST Jan 12, 2026-6pm PST Jan 18, 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

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation