Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

Lat: 37.33333°NLon: 121.81667°WElev: 135.0ft.

Clear

57°F

14°C

Humidity 62%
Wind Speed SSW 3 MPH
Barometer 30.35 in (1027.77 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 29 Jan 10:50 AM PST
Extended Forecast for

Mount Hamilton CA

  • Today

    Today: Sunny, with a high near 63. Light and variable wind.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 46. East northeast wind 3 to 5 mph.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 66. East wind 3 to 5 mph.

    High: 66 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49. East wind around 6 mph.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67. East wind around 6 mph becoming light and variable  in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 63. Light and variable wind.
Tonight
Partly cloudy, with a low around 46. East northeast wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 66. East wind 3 to 5 mph.
Friday Night
Partly cloudy, with a low around 49. East wind around 6 mph.
Saturday
Mostly sunny, with a high near 67. East wind around 6 mph becoming light and variable in the afternoon.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Partly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Sunny, with a high near 61.
Monday Night
Clear, with a low around 44.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Hamilton CA
 37.35°N 121.64°W (Elev. 2398 ft)
10:53 am PST Jan 29, 2026
11am PST Jan 29, 2026-6pm PST Feb 4, 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