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

Extreme Heat and Severe Thunderstorms Today

Extreme heat continues today from the central Plains to the lower Mississippi River Valley, over southeast Montana, and from southern California into the Southwest Deserts. Extreme Heat Warnings remain in effect. Severe thunderstorms capable of strong to severe wind gusts and large hail are possible across the Great Lakes into the Ohio Valley today into tonight. Read More >

Current conditions at

Concord, Buchanan Field (KCCR)

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

Clear

63°F

17°C

Humidity 72%
Wind Speed S 16 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 27 Jul 08:20 AM PDT
Extended Forecast for

Walnut Creek CA

  • Today

    Today: Sunny, with a high near 89. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 59. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 59 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92. Southwest wind around 8 mph.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 60. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 60 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. West southwest wind 6 to 8 mph.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 89. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 59. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 92. Southwest wind around 8 mph.
Tuesday Night
Clear, with a low around 60. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 95. West southwest wind 6 to 8 mph.
Wednesday Night
Clear, with a low around 59.
Thursday
Sunny, with a high near 87.
Thursday Night
Clear, with a low around 58.
Friday
Sunny, with a high near 94.
Friday Night
Clear, with a low around 60.
Saturday
Sunny and hot, with a high near 97.
Saturday Night
Clear, with a low around 62.
Sunday
Sunny, with a high near 95.
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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:
3:32 am PDT Jul 27, 2026
Forecast Valid:
8am PDT Jul 27, 2026-6pm PDT Aug 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation