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

Significant Coastal Impacts to the Eastern Seaboard; Tropical Storm Nolo to Impact Hawaii

A Nor'easter will bring significant coastal impacts to the Mid-Atlantic and New England through the weekend. Moderate to major coastal flooding, heavy rain, strong winds and high surf expected. Tropical Storm Nolo will continue to strengthen as it moves north toward the Big Island of Hawaii. Heavy rainfall may bring life-threatening, catastrophic flooding and mudslides through the weekend. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

76°F

24°C

Humidity 30%
Wind Speed WSW 15 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Heat Index77°F (25°C)
Last update 24 Sep 05:28 PM PDT
Extended Forecast for

Walnut Creek CA

  • Tonight

    Tonight: Partly cloudy, with a low around 59. South southwest wind around 7 mph.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 81. West southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. South southwest wind 3 to 6 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. Light and variable wind becoming west southwest around 6 mph in the afternoon.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. Southwest wind 6 to 8 mph.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 59. South southwest wind around 7 mph.
Friday
Sunny, with a high near 81. West southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Friday Night
Mostly clear, with a low around 54. South southwest wind 3 to 6 mph.
Saturday
Sunny, with a high near 78. Light and variable wind becoming west southwest around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 54. Southwest wind 6 to 8 mph.
Sunday
Sunny, with a high near 71.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 82.
Monday Night
Clear, with a low around 55.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Clear, with a low around 58.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Clear, with a low around 58.
Thursday
Sunny, with a high near 88.
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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:
1:57 pm PDT Sep 24, 2026
Forecast Valid:
6pm PDT Sep 24, 2026-6pm PDT Oct 1, 2026
 
Forecast Discussion
 
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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