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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

71°F

22°C

Humidity 25%
Wind Speed WNW 7 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 28 Aug 05:28 AM PDT
Extended Forecast for

Walnut Creek CA

  • Today

    Today: A 20 percent chance of showers. Partly sunny, with a high near 83. South southwest wind 7 to 9 mph.

    High: 83 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 57. South southwest wind around 8 mph.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. Southwest wind 8 to 11 mph, with gusts as high as 22 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. South southwest wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. South southwest wind around 8 mph, with gusts as high as 18 mph.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Monday Night

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

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers. Partly sunny, with a high near 83. South southwest wind 7 to 9 mph.
Tonight
Mostly clear, with a low around 57. South southwest wind around 8 mph.
Saturday
Sunny, with a high near 80. Southwest wind 8 to 11 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 56. South southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 82. South southwest wind around 8 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 84.
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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:
2:47 am PDT Aug 28, 2026
Forecast Valid:
6am PDT Aug 28, 2026-6pm PDT Sep 3, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation