Above Average Temperatures in the West; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures will continue across the West this week, potentially breaking some daily high temperature records. A storm system dropping south out of Canada will bring a wintry mix to the Upper Midwest and Great Lakes Tuesday, pushing into the Central Appalachians and interior Northeast on Wednesday. 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 12%
Wind Speed E 7 MPH
Barometer NA
Dewpoint 10°F (-12°C)
Visibility NA
Last update 13 Jan 12:50 AM PST
Extended Forecast for

7 Miles SSW Brentwood CA

  • Overnight

    Overnight: Mostly clear, with a low around 41. South southeast wind 3 to 5 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 56. Light and variable wind becoming north northeast around 6 mph in the morning.

    High: 56 °F

    Sunny

  • Tuesday Night

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

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 57. Northeast wind 3 to 6 mph.

    High: 57 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42. East northeast wind 3 to 5 mph.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Thursday Night

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

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Friday Night

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

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 41. South southeast wind 3 to 5 mph.
Tuesday
Sunny, with a high near 56. Light and variable wind becoming north northeast around 6 mph in the morning.
Tuesday Night
Mostly clear, with a low around 41. Calm wind.
Wednesday
Sunny, with a high near 57. Northeast wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 42. East northeast wind 3 to 5 mph.
Thursday
Sunny, with a high near 58.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 42.
Saturday
Mostly 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
Partly cloudy, with a low around 44.
M.L.King Day
Mostly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSW Brentwood CA
 37.83°N 121.74°W (Elev. 932 ft)
12:26 am PST Jan 13, 2026
1am PST Jan 13, 2026-6pm PST Jan 19, 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