
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

High: 93 °F
Sunny
Tonight

Low: 61 °F
Clear
Wednesday

High: 96 °F
Hot
Wednesday Night

Low: 62 °F
Clear
Thursday

High: 97 °F
Hot
Thursday Night

Low: 62 °F
Clear
Friday

High: 102 °F
Hot
Friday Night

Low: 64 °F
Clear
Saturday

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.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles SW Discovery Bay CA
37.87°N 121.63°W (Elev. 16 ft)
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


