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

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

Lat: 37.83389°NLon: 122.06694°WElev: 1760.0ft.

NA

48°F

9°C

Humidity 77%
Wind Speed ENE 11 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Wind Chill43°F (6°C)
Last update 07 Dec 02:28 AM PST
Extended Forecast for

Walnut Creek CA

  • Overnight

    Overnight: Areas of dense fog. Otherwise, mostly cloudy, with a low around 42. Light north northwest wind.

    Low: 42 °F

    Areas Dense
    Fog

  • Sunday

    Sunday: Areas of dense fog before 10am. Otherwise, partly sunny, with a high near 57. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 57 °F

    Areas Dense
    Fog then
    Partly Sunny

  • Sunday Night

    Sunday Night: Patchy dense fog before 2am, then patchy dense fog after 5am. Otherwise, partly cloudy, with a low around 42. North wind around 6 mph becoming calm in the evening.

    Low: 42 °F

    Partly Cloudy
    then Patchy
    Dense Fog

  • Monday

    Monday: Patchy dense fog between 9am and 10am. Otherwise, mostly sunny, with a high near 62. Calm wind becoming north around 5 mph in the afternoon.

    High: 62 °F

    Patchy Dense
    Fog then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. West northwest wind 3 to 5 mph.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 44.

    Low: 44 °F

    Patchy Fog

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Overnight
Areas of dense fog. Otherwise, mostly cloudy, with a low around 42. Light north northwest wind.
Sunday
Areas of dense fog before 10am. Otherwise, partly sunny, with a high near 57. Calm wind becoming north northeast around 5 mph in the afternoon.
Sunday Night
Patchy dense fog before 2am, then patchy dense fog after 5am. Otherwise, partly cloudy, with a low around 42. North wind around 6 mph becoming calm in the evening.
Monday
Patchy dense fog between 9am and 10am. Otherwise, mostly sunny, with a high near 62. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 42. West northwest wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 44.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 45.
Thursday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 65.
Thursday Night
Patchy fog. Otherwise, mostly clear, with a low around 44.
Friday
Mostly sunny, with a high near 64.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 43.
Saturday
Mostly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Walnut Creek CA
 37.9°N 122.07°W (Elev. 203 ft)
Last Update:
2:33 am PST Dec 7, 2025
Forecast Valid:
2am PST Dec 7, 2025-6pm PST Dec 13, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation