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

Dangerous Cold and Gusty Winds Anticipated This Weekend

A significant arctic outbreak will bring frigid temperatures and dangerously cold wind chills to the Northeast and Mid-Atlantic this weekend. Strong winds which could produce tree damage and power outages, and periods of snow squalls are also possible. Relief from this cold and a warming trend is forecast to commence by the beginning to middle of next week. Read More >

Current conditions at

Concord, Buchanan Field (KCCR)

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

Clear

54°F

12°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 50°F (10°C)
Visibility 9.00 mi
Last update 05 Feb 10:53 PM PST
Extended Forecast for

Walnut Creek CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 70. Calm wind becoming west around 5 mph in the afternoon.

    High: 70 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 46. Light southwest wind.

    Low: 46 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 67. Calm wind becoming west around 5 mph in the afternoon.

    High: 67 °F

    Areas Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 46. West southwest wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Patchy Fog

  • Sunday

    Sunday: Areas of fog before 9am. Otherwise, partly sunny, with a high near 67.

    High: 67 °F

    Areas Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 10pm. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 49.

    Low: 49 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Areas
    Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 62.

    High: 62 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: A slight chance of rain. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 50. Calm wind.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 70. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 46. Light southwest wind.
Saturday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 67. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 46. West southwest wind around 5 mph becoming calm in the evening.
Sunday
Areas of fog before 9am. Otherwise, partly sunny, with a high near 67.
Sunday Night
A 20 percent chance of rain before 10pm. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 49.
Monday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 62.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 45.
Tuesday
A chance of rain, mainly after 10am. Partly sunny, with a high near 60.
Tuesday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 42.
Wednesday
A chance of rain. Mostly cloudy, with a high near 58.
Wednesday Night
A chance of rain. Partly cloudy, with a low around 41.
Thursday
A slight chance of rain. Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Walnut Creek CA
 37.92°N 122.05°W (Elev. 197 ft)
Last Update:
12:26 pm PST Feb 5, 2026
Forecast Valid:
11pm PST Feb 5, 2026-6pm PST Feb 12, 2026
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation