Dangerous Cold Weather for Most of the Country; Rare Winter Storm for the South; Fire Weather Concerns for Southern California

Arctic air will filter south and east through early this week. As this cold air moves across the South, a rare winter storm is forecast to develop from Texas, Gulf Coast States into the Southeast through early this week. Several new daily record low temperatures are expected, including new record-low maximum temperatures. For Southern California, fire weather concerns increase this week. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

44°F

7°C

Humidity 27%
Wind Speed S 7 MPH
Barometer NA
Dewpoint 12°F (-11°C)
Visibility NA
Wind Chill40°F (4°C)
Last update 21 Jan 12:00 AM PST
Extended Forecast for

20 Miles E Mount Hamilton CA

  • Overnight

    Overnight: Clear, with a low around 41. Light west southwest wind.

    Low: 41 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 58. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41. Northwest wind around 6 mph.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 59. North wind 6 to 8 mph.

    High: 59 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 44. Calm wind.

    Low: 44 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 41. Light west southwest wind.
Tuesday
Sunny, with a high near 58. Calm wind becoming north 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 41. Northwest wind around 6 mph.
Wednesday
Sunny, with a high near 59. North wind 6 to 8 mph.
Wednesday Night
Clear, with a low around 44. Calm wind.
Thursday
Sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 47.
Friday
Mostly sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 40.
Saturday
A chance of showers, mainly after 10am. Mostly sunny, with a high near 50.
Saturday Night
A slight chance of rain and snow showers. Partly cloudy, with a low around 36.
Sunday
Sunny, with a high near 49.
Sunday Night
Mostly clear, with a low around 36.
Monday
Sunny, with a high near 52.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
20 Miles E Mount Hamilton CA
 37.38°N 121.28°W (Elev. 1401 ft)
4:21 pm PST Jan 20, 2025
12am PST Jan 21, 2025-6pm PST Jan 27, 2025
 
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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