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

LAS TRAMPAS (LTRC1)

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

NA

49°F

9°C

Humidity 100%
Wind Speed WSW 15 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Wind Chill43°F (6°C)
Last update 19 Oct 02:28 AM PDT
Extended Forecast for

Walnut Creek CA

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 53. Southwest wind around 7 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 66. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 47. West southwest wind 5 to 7 mph becoming calm after midnight.

    Low: 47 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 68. Light and variable wind.

    High: 68 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 50. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely. Mostly cloudy, with a high near 68. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 11am. Partly sunny, with a high near 68.

    High: 68 °F

    Chance
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 53. Southwest wind around 7 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 66. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 47. West southwest wind 5 to 7 mph becoming calm after midnight.
Tuesday
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 68. Light and variable wind.
Tuesday Night
A 50 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 50. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers likely. Mostly cloudy, with a high near 68. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 50.
Thursday
A chance of showers before 11am. Partly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Patchy fog between 8am and 9am. Otherwise, sunny, with a high near 71.
Friday Night
Clear, with a low around 46.
Saturday
Sunny, with a high near 71.
Saturday Night
A slight chance of rain. Partly cloudy, with a low around 48.
Sunday
A slight chance of rain. Mostly sunny, with a high near 72.
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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:
2:37 am PDT Oct 19, 2026
Forecast Valid:
3am PDT Oct 19, 2026-6pm PDT Oct 25, 2026
 
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Additional Resources

Radar & Satellite Image

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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