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

Hazardous Weather Conditions

Current conditions at

Concord, Buchanan Field (KCCR)

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

Fog

45°F

7°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 45°F (7°C)
Visibility 0.24 mi
Last update 25 Nov 01:30 AM PST
Extended Forecast for

Walnut Creek CA

Dense Fog Advisory November 25, 01:46am until November 25, 11:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory November 25, 01:46am until November 25, 11:00am

    NOW until 11:00am Tue

    Dense Fog Advisory

  • Overnight

    Low: 44 °F

    Patchy Dense
    Fog

  • Tuesday

    Tuesday: Areas of dense fog before 10am. Otherwise, sunny, with a high near 63. North northeast wind 3 to 6 mph.

    High: 63 °F

    Areas Dense
    Fog then
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy dense fog after 2am. Otherwise, partly cloudy, with a low around 40. Calm wind becoming north northwest around 5 mph after midnight.

    Low: 40 °F

    Partly Cloudy
    then Patchy
    Dense Fog

  • Wednesday

    Wednesday: Areas of dense fog before 10am. Otherwise, sunny, with a high near 64. North northeast wind 5 to 7 mph.

    High: 64 °F

    Areas Dense
    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Partly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

Overnight
Patchy dense fog. Otherwise, partly cloudy, with a low around 44. Calm wind.
Tuesday
Areas of dense fog before 10am. Otherwise, sunny, with a high near 63. North northeast wind 3 to 6 mph.
Tuesday Night
Patchy dense fog after 2am. Otherwise, partly cloudy, with a low around 40. Calm wind becoming north northwest around 5 mph after midnight.
Wednesday
Areas of dense fog before 10am. Otherwise, sunny, with a high near 64. North northeast wind 5 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 42. Calm wind.
Thanksgiving Day
Mostly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Walnut Creek CA
 37.92°N 122.05°W (Elev. 197 ft)
Last Update:
1:17 am PST Nov 25, 2025
Forecast Valid:
1am PST Nov 25, 2025-6pm PST Dec 1, 2025
 
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