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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

52°F

11°C

Humidity 18%
Wind Speed NNE 5 MPH
Barometer NA
Dewpoint 10°F (-12°C)
Visibility NA
Last update 11 Jan 06:05 AM PST
Extended Forecast for

7 Miles SSW Brentwood CA

  • Today

    Today: Areas of frost before 8am. Otherwise, mostly sunny, with a high near 55. Calm wind becoming north around 5 mph.

    High: 55 °F

    Areas Frost
    then Mostly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 53. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39. Light and variable wind.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 56. Northeast wind around 6 mph.

    High: 56 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Wednesday Night

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

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

Today
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 55. Calm wind becoming north around 5 mph.
Tonight
Partly cloudy, with a low around 39. Calm wind.
Monday
Sunny, with a high near 53. Calm wind becoming north northeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 39. Light and variable wind.
Tuesday
Sunny, with a high near 56. Northeast wind around 6 mph.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 57.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 58.
Thursday Night
Mostly clear, with a low around 44.
Friday
Mostly sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSW Brentwood CA
 37.83°N 121.74°W (Elev. 932 ft)
Last Update:
12:26 am PST Jan 11, 2026
Forecast Valid:
6am PST Jan 11, 2026-6pm PST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation