Areas of Dangerous Heat and Heavy Rainfall Today

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley today. Heat Advisories remain in effect. Heavy to excessive rainfall today could bring areas of flooding to parts of the northern High Plains and Midwest into the Ohio Valley. Flood Watches remain in effect. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

80°F

27°C

Humidity 39%
Wind Speed S 14 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Heat Index80°F (27°C)
Last update 19 Sep 04:28 PM PDT
Extended Forecast for

Brentwood CA

  • Tonight

    Tonight: Partly cloudy, with a low around 58. West wind 3 to 6 mph.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 84. West southwest wind 5 to 8 mph.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. West wind 5 to 8 mph becoming calm  in the evening.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 59. West wind 5 to 7 mph becoming calm  in the evening.

    Low: 59 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 58. West wind 3 to 6 mph.
Monday
Sunny, with a high near 84. West southwest wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 58. West wind 5 to 8 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 59. West wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Mostly sunny, with a high near 95.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Brentwood CA
 37.93°N 121.7°W (Elev. 75 ft)
1:25 pm PDT Sep 20, 2026
3pm PDT Sep 20, 2026-6pm PDT Sep 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database