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

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

NA

56°F

13°C

Humidity 23%
Wind Speed N 13 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Last update 16 Jan 08:20 AM PST
Extended Forecast for

7 Miles SSW Brentwood CA

  • Today

    Today: Sunny, with a high near 60. Northwest wind 7 to 9 mph becoming north northeast in the afternoon.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 44. West northwest wind 6 to 8 mph.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 59. North northeast wind 3 to 7 mph.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 59. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 59 °F

    Partly Sunny

  • Sunday Night

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

    Low: 43 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Monday Night

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

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 60. Northwest wind 7 to 9 mph becoming north northeast in the afternoon.
Tonight
Mostly clear, with a low around 44. West northwest wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 59. North northeast wind 3 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 44. Calm wind.
Sunday
Partly sunny, with a high near 59. Calm wind becoming north northeast around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 43.
M.L.King Day
Mostly sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 58.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Partly sunny, with a high near 57.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 56.
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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 16, 2026
Forecast Valid:
8am PST Jan 16, 2026-6pm PST Jan 22, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation