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

Concord, Buchanan Field (KCCR)

Lat: 37.99167°NLon: 122.05194°WElev: 23.0ft.

Clear

64°F

18°C

Humidity 59%
Wind Speed S 13 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 25 Sep 01:35 AM PDT
Extended Forecast for

Walnut Creek CA

  • Overnight

    Overnight: Mostly clear, with a low around 60. South southwest wind around 8 mph.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. West southwest wind around 9 mph, with gusts as high as 18 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. South southwest wind 5 to 7 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79. West southwest wind 3 to 6 mph.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. South southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 60. South southwest wind around 8 mph.
Friday
Sunny, with a high near 82. West southwest wind around 9 mph, with gusts as high as 18 mph.
Friday Night
Mostly clear, with a low around 54. South southwest wind 5 to 7 mph.
Saturday
Sunny, with a high near 79. West southwest wind 3 to 6 mph.
Saturday Night
Partly cloudy, with a low around 54. South southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 70.
Sunday Night
Clear, with a low around 53.
Monday
Sunny, with a high near 82.
Monday Night
Clear, with a low around 56.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Clear, with a low around 59.
Wednesday
Sunny, with a high near 89.
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
 37.92°N 122.07°W (Elev. 184 ft)
Last Update:
1:26 am PDT Sep 25, 2026
Forecast Valid:
1am PDT Sep 25, 2026-6pm PDT Oct 1, 2026
 
Forecast Discussion
 
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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