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Arctic Air for the Northeast and Mid-Atlantic; Increase Moisture for Pacific Northwest; Active Pattern for Hawaii

An arctic cold front will impact the Great Lakes, Northeast and mid-Atlantic. Snow showers and squalls will accompany this system with increasing winds and falling temperatures. Damaging wind gusts may result in tree damage and power outages. Meanwhile, moisture returns for the Pacific Northwest and Hawaii this weekend with both coverage and intensity of rainfall and higher elevation snows. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

61°F

16°C

Humidity 57%
Wind Speed SSW 3 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 07 Feb 10:28 AM PST
Extended Forecast for

Brentwood CA

  • Today

    Today: Mostly sunny, with a high near 67. North northwest wind around 8 mph.

    High: 67 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 45. West wind around 6 mph.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 67. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 50. West wind 5 to 8 mph.

    Low: 50 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 62. North northwest wind 5 to 8 mph.

    High: 62 °F

    Areas Fog
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain, mainly before 4am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: A slight chance of rain before 10am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 57.

    High: 57 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Partly
    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 67. North northwest wind around 8 mph.
Tonight
Mostly clear, with a low around 45. West wind around 6 mph.
Sunday
Mostly sunny, with a high near 67. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Sunday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 50. West wind 5 to 8 mph.
Monday
Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 62. North northwest wind 5 to 8 mph.
Monday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 45.
Tuesday
A 30 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 56.
Tuesday Night
A chance of rain, mainly before 4am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 44.
Wednesday
A slight chance of rain before 10am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 57.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly cloudy, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Brentwood CA
 37.93°N 121.7°W (Elev. 75 ft)
Last Update:
1:23 am PST Feb 7, 2026
Forecast Valid:
11am PST Feb 7, 2026-6pm PST Feb 13, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation