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

Tracking Late Season Winter Storms

A moderate atmospheric river will continue to bring heavy snow over the Olympics, northern Cascades and northern Rockies Friday while heavy rain may bring flooding to coastal Oregon and Washington. A winter storm will continue to push across the Great Lakes and Northeast U.S. Friday and Saturday with areas of heavy snow and high winds. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

63°F

17°C

Humidity 28%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 12 Mar 11:28 PM PDT
Extended Forecast for

Walnut Creek CA

  • Overnight

    Overnight: Partly cloudy, with a low around 48. Light south southwest wind.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 78. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48. Southwest wind around 6 mph.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 80. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 80 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52. West northwest wind around 6 mph becoming calm in the evening.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 48. Light south southwest wind.
Friday
Mostly sunny, with a high near 78. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 48. Southwest wind around 6 mph.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 80. Calm wind becoming northwest around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 52. West northwest wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 89.
Monday Night
Clear, with a low around 57.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Clear, with a low around 57.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Walnut Creek CA
 37.9°N 122.07°W (Elev. 203 ft)
Last Update:
1:25 pm PDT Mar 12, 2026
Forecast Valid:
12am PDT Mar 13, 2026-6pm PDT Mar 19, 2026
 
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