Above Average Temperatures for the West and Central Plains; Lake Effect Snow Continues

Well above average temperatures will prevail across the Plains and the West Coast this week, while a cold front will bring Arctic air to the South and East Coast Thursday and Friday. Lake effect snow is forecast downwind of the Great Lakes through Thursday along and behind the Arctic front, as well as mountain snow across the Southern Appalachians. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

59°F

15°C

Humidity 26%
Wind Speed WNW 1 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 14 Jan 12:28 AM PST
Extended Forecast for

Brentwood CA

  • Overnight

    Overnight: Mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy dense fog before 9am.  Otherwise, sunny, with a high near 60. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 60 °F

    Patchy Dense
    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 61. Calm wind becoming northeast around 6 mph in the morning.

    High: 61 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 39. Calm wind.
Wednesday
Patchy dense fog before 9am. Otherwise, sunny, with a high near 60. Calm wind becoming east northeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 41. Calm wind.
Thursday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 61. Calm wind becoming northeast around 6 mph in the morning.
Thursday Night
Mostly clear, with a low around 43. Calm wind.
Friday
Sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 42.
Saturday
Mostly sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 42.
M.L.King Day
Mostly sunny, with a high near 60.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 42.
Tuesday
Patchy fog. Otherwise, partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
Brentwood CA
 37.93°N 121.7°W (Elev. 75 ft)
12:26 am PST Jan 14, 2026
1am PST Jan 14, 2026-6pm PST Jan 20, 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