Prolonged Extreme Cold; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the Gulf Coast, upper Ohio Valley, Mid-Atlantic, and Southeast U.S. into this weekend. A rapidly deepening storm centered just off the North Carolina coast Friday night through Saturday night will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Partly Cloudy

45°F

7°C

Humidity 87%
Wind Speed NA 5 MPH
Barometer 30.33 in (1027.09 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 30 Jan 06:50 AM PST
Extended Forecast for

Mount Hamilton CA

  • Today

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

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 49. Southeast wind around 6 mph.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67. Southeast wind 5 to 7 mph.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47. Light and variable wind.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 62. Light and variable wind becoming west northwest around 6 mph in the afternoon.

    High: 62 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 66. East southeast wind 3 to 5 mph.
Tonight
Partly cloudy, with a low around 49. Southeast wind around 6 mph.
Saturday
Mostly sunny, with a high near 67. Southeast wind 5 to 7 mph.
Saturday Night
Partly cloudy, with a low around 47. Light and variable wind.
Sunday
Partly sunny, with a high near 62. Light and variable wind becoming west northwest around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Sunny, with a high near 61.
Monday Night
Clear, with a low around 44.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Clear, with a low around 46.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Clear, with a low around 48.
Thursday
Sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Hamilton CA
 37.35°N 121.64°W (Elev. 2398 ft)
5:44 am PST Jan 30, 2026
8am PST Jan 30, 2026-6pm PST Feb 5, 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