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

Dangerous Heat to Continue through the Holiday Weekend; Severe Storms on Friday from the Plains to the Mid-Atlantic

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing across the eastern U.S. through the Independence Day holiday weekend. Peak heat indices of up to 115 degrees are possible. Isolated to scattered severe thunderstorms are possible from the northern/central Plains into the Midwest, Ohio Valley, and Mid-Atlantic Friday. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

Lat: 37.32927°NLon: 121.29538°WElev: 1861.0ft.

NA

58°F

14°C

Humidity 65%
Wind Speed SW 5 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 03 Jul 02:00 AM PDT
Extended Forecast for

15 Miles SSW Tracy CA

  • Overnight

    Overnight: Clear, with a low around 50. Light south wind.

    Low: 50 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 82. Calm wind becoming north 5 to 8 mph in the afternoon.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 54. Southwest wind 3 to 8 mph.

    Low: 54 °F

    Clear

  • Independence Day

    Independence Day: Increasing clouds, with a high near 84. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 84 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 54. Southwest wind 3 to 8 mph.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 50. Light south wind.
Friday
Sunny, with a high near 82. Calm wind becoming north 5 to 8 mph in the afternoon.
Friday Night
Clear, with a low around 54. Southwest wind 3 to 8 mph.
Independence Day
Increasing clouds, with a high near 84. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 54. Southwest wind 3 to 8 mph.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles SSW Tracy CA
 37.55°N 121.52°W (Elev. 2635 ft)
Last Update:
2:00 am PDT Jul 3, 2026
Forecast Valid:
2am PDT Jul 3, 2026-6pm PDT Jul 9, 2026
 
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