Areas of Extreme Heat and Excessive Rainfall Potential

Dangerous and extreme heat will remain across portions of the central U.S. this week, persisting across the mid to lower Mississippi Valley, Gulf Coast, southern Plains and portions of Texas. A heat wave over the Southwest U.S. will peak this weekend. Heavy to excessive rainfall may produce flash flooding from the Delmarva Peninsula north into the Hudson Valley today and tonight. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

Lat: 37.95°NLon: 121.88444°WElev: 1600.0ft.

NA

65°F

18°C

Humidity 47%
Wind Speed S 13 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 28 Jul 07:28 AM PDT
Extended Forecast for

4 Miles SW Discovery Bay CA

  • Today

    Today: Sunny, with a high near 93. West northwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 93 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 61. West southwest wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 61 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 96. Light west southwest wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 96 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 62. West southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 97. West wind 5 to 8 mph.

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 102.

    High: 102 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 64.

    Low: 64 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

Detailed Forecast

Today
Sunny, with a high near 93. West northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 61. West southwest wind 5 to 10 mph, with gusts as high as 18 mph.
Wednesday
Sunny and hot, with a high near 96. Light west southwest wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Clear, with a low around 62. West southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Thursday
Sunny and hot, with a high near 97. West wind 5 to 8 mph.
Thursday Night
Clear, with a low around 62.
Friday
Sunny and hot, with a high near 102.
Friday Night
Clear, with a low around 64.
Saturday
Sunny and hot, with a high near 100.
Saturday Night
Clear, with a low around 64.
Sunday
Sunny and hot, with a high near 100.
Sunday Night
Clear, with a low around 63.
Monday
Sunny and hot, with a high near 99.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Discovery Bay CA
 37.87°N 121.63°W (Elev. 16 ft)
2:06 am PDT Jul 28, 2026
7am PDT Jul 28, 2026-6pm PDT Aug 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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