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

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

51°F

11°C

Humidity 79%
Wind Speed ENE 8 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 28 Jan 09:28 AM PST
Extended Forecast for

Walnut Creek CA

  • Today

    Today: Mostly sunny, with a high near 61. North wind around 6 mph.

    High: 61 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy dense fog before 3am, then patchy dense fog after 5am. Otherwise, partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Dense
    Fog

  • Thursday

    Thursday: Patchy fog between 8am and 9am. Otherwise, mostly sunny, with a high near 63. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 63 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 41. Calm wind.

    Low: 41 °F

    Increasing
    Clouds

  • Friday

    Friday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 64. Calm wind becoming northeast around 6 mph in the morning.

    High: 64 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 63.

    High: 63 °F

    Patchy Fog
    then Mostly
    Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 61. North wind around 6 mph.
Tonight
Patchy dense fog before 3am, then patchy dense fog after 5am. Otherwise, partly cloudy, with a low around 41. Calm wind.
Thursday
Patchy fog between 8am and 9am. Otherwise, mostly sunny, with a high near 63. Calm wind becoming northeast around 6 mph in the afternoon.
Thursday Night
Increasing clouds, with a low around 41. Calm wind.
Friday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 64. Calm wind becoming northeast around 6 mph in the morning.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
Mostly cloudy, with a high near 64.
Saturday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 44.
Sunday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 63.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Patchy fog. Otherwise, mostly sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Sunny, with a high near 65.
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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:
4:54 am PST Jan 28, 2026
Forecast Valid:
10am PST Jan 28, 2026-6pm PST Feb 3, 2026
 
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Additional Resources

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