Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

61°F

16°C

Humidity 74%
Wind Speed W 8 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 01 Mar 11:28 AM PST
Extended Forecast for

Walnut Creek CA

  • Today

    Today: Mostly sunny, with a high near 65. West southwest wind 6 to 8 mph.

    High: 65 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of rain after 3am.  Patchy fog after 1am.  Otherwise, mostly cloudy, with a low around 49. Southwest wind 3 to 6 mph.

    Low: 49 °F

    Mostly Cloudy
    then Slight
    Chance Rain
    and Patchy
    Fog

  • Monday

    Monday: A 20 percent chance of rain before 10am.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 66. Calm wind becoming west northwest around 6 mph in the afternoon.  New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 47. West wind around 5 mph becoming calm  in the evening.

    Low: 47 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 66. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 66 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 47.

    Low: 47 °F

    Patchy Fog

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 65. West southwest wind 6 to 8 mph.
Tonight
A 20 percent chance of rain after 3am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 49. Southwest wind 3 to 6 mph.
Monday
A 20 percent chance of rain before 10am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 66. Calm wind becoming west northwest around 6 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 47. West wind around 5 mph becoming calm in the evening.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 66. Calm wind becoming west 5 to 7 mph in the afternoon.
Tuesday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Clear, with a low around 44.
Thursday
Sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Walnut Creek CA
 37.9°N 122.07°W (Elev. 203 ft)
1:17 am PST Mar 1, 2026
11am PST Mar 1, 2026-6pm PST Mar 7, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database