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

Storm Impacting the Southwest U.S.; Above Normal Temperatures Further East

A storm system will shift across the southwest U.S. through Thursday with widespread showers and isolated thunderstorms. Isolated flooding is possible. High-elevation snow is also expected in parts of Nevada and the southern Sierra Nevada range. East of this storm, above average temperatures will challenge or break daily record high temperatures this week in the southern Plains and southeast U.S. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

53°F

12°C

Humidity 81%
Wind Speed W 5 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 18 Nov 01:28 PM PST
Extended Forecast for

Walnut Creek CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 62. West southwest wind 7 to 9 mph.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 46. South southeast wind 6 to 11 mph.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 61. Calm wind becoming east around 5 mph.

    High: 61 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Rain likely after 10pm. Mostly cloudy, with a low around 49. South wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 60. South southwest wind 6 to 9 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 62. West southwest wind 7 to 9 mph.
Tonight
Partly cloudy, with a low around 46. South southeast wind 6 to 11 mph.
Wednesday
Partly sunny, with a high near 61. Calm wind becoming east around 5 mph.
Wednesday Night
Rain likely after 10pm. Mostly cloudy, with a low around 49. South wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 60. South southwest wind 6 to 9 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 64.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Patchy fog. Otherwise, mostly sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 64.
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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:
12:26 pm PST Nov 18, 2025
Forecast Valid:
2pm PST Nov 18, 2025-6pm PST Nov 24, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation