National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Hazardous Weather Conditions

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Clear

45°F

7°C

Humidity 52%
Wind Speed N 0 MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 08 Jan 09:47 PM PST
Extended Forecast for

6 Miles NNW Mount Hamilton CA

Extreme Cold Warning January 9, 05:54am until January 9, 09:00am
Click here for hazard details and duration
...
  •  
    Extreme Cold Warning January 9, 05:54am until January 9, 09:00am

    NOW until 9:00am Fri

    Extreme Cold Warning

  • Today

    High: 52 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 38. East wind around 7 mph.

    Low: 38 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 54. North northeast wind 5 to 7 mph.

    High: 54 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. Northeast wind around 6 mph.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 56. East northeast wind around 6 mph becoming north in the afternoon.

    High: 56 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

Detailed Forecast

Today
Sunny, with a high near 52. Northeast wind 5 to 9 mph becoming light and variable in the afternoon.
Tonight
Clear, with a low around 38. East wind around 7 mph.
Saturday
Sunny, with a high near 54. North northeast wind 5 to 7 mph.
Saturday Night
Partly cloudy, with a low around 40. Northeast wind around 6 mph.
Sunday
Mostly sunny, with a high near 56. East northeast wind around 6 mph becoming north in the afternoon.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 57.
Monday Night
Clear, with a low around 43.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Mount Hamilton CA
 37.43°N 121.69°W (Elev. 3619 ft)
Last Update:
12:26 am PST Jan 9, 2026
Forecast Valid:
5am PST Jan 9, 2026-6pm PST Jan 15, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation