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

Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.

NA

N/A

Humidity 28%
Wind Speed NW 9 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update 17 May 05:05 PM PDT
Extended Forecast for

3 Miles SSE Concord CA

  • Tonight

    Tonight: Partly cloudy, with a low around 55. Southwest wind around 11 mph, with gusts as high as 18 mph.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 77. Southwest wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 77 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54. Southwest wind 11 to 13 mph, with gusts as high as 21 mph.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 77. West southwest wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. Southwest wind 11 to 14 mph, with gusts as high as 22 mph.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 55. Southwest wind around 11 mph, with gusts as high as 18 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 77. Southwest wind 10 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 54. Southwest wind 11 to 13 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 77. West southwest wind 9 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 53. Southwest wind 11 to 14 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Clear, with a low around 55.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 55.
Saturday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Concord CA
 37.93°N 121.99°W (Elev. 761 ft)
Last Update:
1:26 pm PDT Jul 4, 2026
Forecast Valid:
5pm PDT Jul 4, 2026-6pm PDT Jul 11, 2026
 
Forecast Discussion
 
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Additional Resources

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