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

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.

NA

62°F

17°C

Humidity 16%
Wind Speed N 13 MPH
Barometer NA
Dewpoint 16°F (-9°C)
Visibility NA
Last update 13 Jan 11:10 PM PST
Extended Forecast for

7 Miles SSW Brentwood CA

  • Tonight

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

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 55. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 55 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42. Calm wind becoming east around 5 mph after midnight.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 58. Northeast wind around 6 mph.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44. Light and variable wind.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 42. Calm wind.
Wednesday
Sunny, with a high near 55. Calm wind becoming north northeast around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 42. Calm wind becoming east around 5 mph after midnight.
Thursday
Sunny, with a high near 58. Northeast wind around 6 mph.
Thursday Night
Mostly clear, with a low around 44. Light and variable wind.
Friday
Sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 43.
Saturday
Sunny, with a high near 58.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Mostly sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 43.
M.L.King Day
Mostly sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Partly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSW Brentwood CA
 37.83°N 121.74°W (Elev. 932 ft)
6:08 pm PST Jan 13, 2026
11pm PST Jan 13, 2026-6pm PST Jan 20, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database