National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Winter Weather and Frigid Temperatures Through This Weekend

A clipper storm will move across the Great Lakes through this weekend with periods of light snow, gusty winds, and lake effect snow bands which could make for hazardous travel at times. A frigid airmass will spread eastward behind this storm into the Midwest and Eastern U.S. through the weekend. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

61°F

16°C

Humidity 47%
Wind Speed NNE 2 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 16 Jan 09:28 AM PST
Extended Forecast for

Brentwood CA

  • Today

    Today: Sunny, with a high near 62. North northeast wind 3 to 5 mph.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Patchy dense fog before 2am, then patchy dense fog after 3am. Otherwise, mostly clear, with a low around 41. West northwest wind 5 to 7 mph.

    Low: 41 °F

    Mostly Clear
    then Patchy
    Dense Fog

  • Saturday

    Saturday: Areas of dense fog before 9am. Otherwise, mostly sunny, with a high near 61. Calm wind becoming northeast around 5 mph in the morning.

    High: 61 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 61. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 61 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Areas of fog before 9am. Otherwise, partly sunny, with a high near 60.

    High: 60 °F

    Areas Fog
    then Mostly
    Sunny

Detailed Forecast

Today
Sunny, with a high near 62. North northeast wind 3 to 5 mph.
Tonight
Patchy dense fog before 2am, then patchy dense fog after 3am. Otherwise, mostly clear, with a low around 41. West northwest wind 5 to 7 mph.
Saturday
Areas of dense fog before 9am. Otherwise, mostly sunny, with a high near 61. Calm wind becoming northeast around 5 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 42. Calm wind.
Sunday
Partly sunny, with a high near 61. Calm wind becoming north northeast around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 42.
M.L.King Day
Mostly sunny, with a high near 60.
Monday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 41.
Tuesday
Areas of fog before 9am. Otherwise, partly sunny, with a high near 60.
Tuesday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 42.
Wednesday
Patchy fog. Otherwise, partly sunny, with a high near 59.
Wednesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 44.
Thursday
Areas of fog. Otherwise, partly sunny, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brentwood CA
 37.93°N 121.7°W (Elev. 75 ft)
Last Update:
12:26 am PST Jan 16, 2026
Forecast Valid:
10am PST Jan 16, 2026-6pm PST Jan 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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