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

DIABLO GRANDE (DBLC1)

Lat: 37.32927°NLon: 121.29538°WElev: 1861.0ft.

NA

52°F

11°C

Humidity 36%
Wind Speed WSW 2 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 13 Jan 02:00 AM PST
Extended Forecast for

15 Miles S Tracy CA

  • Overnight

    Overnight: Clear, with a steady temperature around 44. West southwest wind around 5 mph.

    Low: 44 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64. Light and variable wind becoming northeast around 5 mph.

    High: 64 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 43. Light northwest wind.

    Low: 43 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 63. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 63 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 44. Calm wind becoming south southeast around 6 mph after midnight.

    Low: 44 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

Detailed Forecast

Overnight
Clear, with a steady temperature around 44. West southwest wind around 5 mph.
Tuesday
Sunny, with a high near 64. Light and variable wind becoming northeast around 5 mph.
Tuesday Night
Clear, with a low around 43. Light northwest wind.
Wednesday
Sunny, with a high near 63. Calm wind becoming northeast around 6 mph in the afternoon.
Wednesday Night
Clear, with a low around 44. Calm wind becoming south southeast around 6 mph after midnight.
Thursday
Sunny, with a high near 64.
Thursday Night
Clear, with a low around 44.
Friday
Sunny, with a high near 63.
Friday Night
Clear, with a low around 43.
Saturday
Sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 44.
M.L.King Day
Sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles S Tracy CA
 37.52°N 121.46°W (Elev. 1969 ft)
1:21 am PST Jan 13, 2026
2am PST Jan 13, 2026-6pm PST Jan 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database