Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. 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 ENE Danville CA

  • Overnight

    Overnight: Mostly clear, with a low around 51. South southeast wind around 6 mph.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Light and variable wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 52. Southwest wind around 7 mph becoming south southeast after midnight.

    Low: 52 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 80. South wind 6 to 8 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph.

    High: 80 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52. Southwest wind 6 to 8 mph, with gusts as high as 18 mph.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Patchy fog before 8am.  Otherwise, sunny, with a high near 84.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Friday Night

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

    Low: 53 °F

    Mostly Clear

  • Independence Day

    Independence Day: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Saturday Night

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

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 51. South southeast wind around 6 mph.
Wednesday
Sunny, with a high near 82. Light and variable wind becoming west southwest 5 to 8 mph in the afternoon.
Wednesday Night
Increasing clouds, with a low around 52. Southwest wind around 7 mph becoming south southeast after midnight.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 80. South wind 6 to 8 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Mostly clear, with a low around 52. Southwest wind 6 to 8 mph, with gusts as high as 18 mph.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 53.
Independence Day
Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 52.
Monday
Mostly sunny, with a high near 77.
Monday Night
Patchy fog. Otherwise, mostly clear, with a low around 51.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Danville CA
 37.84°N 121.97°W (Elev. 600 ft)
1:26 am PDT Jul 1, 2026
3am PDT Jul 1, 2026-6pm PDT Jul 7, 2026
 
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Additional Resources

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Hourly Weather Forecast

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