Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

K2MRS Orinda (D1132)

Lat: 37.87444°NLon: 122.15819°WElev: 688.98ft.

NA

64°F

18°C

Humidity 71%
Wind Speed WSW 0 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 54°F (12°C)
Visibility NA
Last update 04 Sep 07:25 PM PDT
Extended Forecast for

Walnut Creek CA

  • Tonight

    Tonight: Mostly clear, with a low around 55. South southwest wind 3 to 7 mph.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. West southwest wind 3 to 8 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. South southwest wind 5 to 8 mph.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76. West southwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. West southwest wind 5 to 10 mph becoming light south southwest  after midnight. Winds could gust as high as 20 mph.

    Low: 55 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain after 11pm.  Partly cloudy, with a low around 62.

    Low: 62 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 55. South southwest wind 3 to 7 mph.
Saturday
Sunny, with a high near 80. West southwest wind 3 to 8 mph.
Saturday Night
Mostly clear, with a low around 56. South southwest wind 5 to 8 mph.
Sunday
Sunny, with a high near 76. West southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 55. West southwest wind 5 to 10 mph becoming light south southwest after midnight. Winds could gust as high as 20 mph.
Labor Day
Sunny, with a high near 92.
Monday Night
Clear, with a low around 60.
Tuesday
Sunny, with a high near 92.
Tuesday Night
A slight chance of rain after 11pm. Partly cloudy, with a low around 62.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 87.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 64.
Thursday
A slight chance of rain. Mostly sunny, with a high near 88.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Walnut Creek CA
 37.9°N 122.07°W (Elev. 203 ft)
1:26 pm PDT Sep 4, 2026
7pm PDT Sep 4, 2026-6pm PDT Sep 11, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database