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

59°F

15°C

Humidity 31%
Wind Speed N 5 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 17 Jan 02:28 AM PST
Extended Forecast for

2 Miles NW Brentwood CA

  • Overnight

    Overnight: Patchy dense fog.  Otherwise, mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Dense
    Fog

  • Saturday

    Saturday: Patchy dense fog before 11am.  Otherwise, partly sunny, with a high near 59. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 59 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy dense fog after 4am.  Otherwise, increasing clouds, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy
    then Patchy
    Dense Fog

  • Sunday

    Sunday: Patchy dense fog before 9am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 63. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 63 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Patchy fog before 8am.  Otherwise, sunny, with a high near 60.

    High: 60 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 1am.  Otherwise, mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 61.

    High: 61 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

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

    Low: 41 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Overnight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 40. Calm wind.
Saturday
Patchy dense fog before 11am. Otherwise, partly sunny, with a high near 59. Calm wind becoming east northeast around 6 mph in the afternoon.
Saturday Night
Patchy dense fog after 4am. Otherwise, increasing clouds, with a low around 42. Calm wind.
Sunday
Patchy dense fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 63. Calm wind becoming north northeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 42. Calm wind.
M.L.King Day
Patchy fog before 8am. Otherwise, sunny, with a high near 60.
Monday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 42.
Tuesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 61.
Tuesday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 41.
Wednesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 60.
Wednesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 43.
Thursday
Areas of fog. Otherwise, partly sunny, with a high near 60.
Thursday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 45.
Friday
Patchy fog. Otherwise, partly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Brentwood CA
 37.95°N 121.71°W (Elev. 82 ft)
1:13 am PST Jan 17, 2026
3am PST Jan 17, 2026-6pm PST Jan 23, 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