Arctic Front Brings Winter Weather and Colder Temperatures to the Eastern U.S.

A series of cold fronts will bring heavy lake effect snow to the northern Great Lakes. The fronts will merge over the Ohio Valley and bring colder temperatures east of the Mississippi River later today into the end of the week. Additionally, wintry weather will develop over the Ohio Valley, Appalachians, and Northeast as rain switches over to snow tonight into Thursday morning. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

61°F

16°C

Humidity 54%
Wind Speed E 5 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 14 Jan 01:00 PM PST
Extended Forecast for

14 Miles NE Mount Hamilton CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 66. East southeast wind around 6 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 43. South southeast wind 3 to 6 mph.

    Low: 43 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 69. South wind around 6 mph becoming northeast in the afternoon.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64. Calm wind becoming north northeast around 6 mph in the morning.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 40.

    Low: 40 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 66. East southeast wind around 6 mph.
Tonight
Clear, with a low around 43. South southeast wind 3 to 6 mph.
Thursday
Sunny, with a high near 69. South wind around 6 mph becoming northeast in the afternoon.
Thursday Night
Mostly clear, with a low around 42. Calm wind.
Friday
Sunny, with a high near 64. Calm wind becoming north northeast around 6 mph in the morning.
Friday Night
Clear, with a low around 40.
Saturday
Sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Sunny, with a high near 61.
Sunday Night
Mostly clear, with a low around 40.
M.L.King Day
Sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Mostly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles NE Mount Hamilton CA
 37.49°N 121.48°W (Elev. 2799 ft)
1:21 am PST Jan 14, 2026
1pm PST Jan 14, 2026-6pm PST Jan 20, 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