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.

Partly Cloudy

50°F

10°C

Humidity 66%
Wind Speed N 0 MPH
Barometer 30.43 in (1030.48 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 10 Jan 07:47 PM PST
Extended Forecast for

Mount Hamilton CA

Cold Weather Advisory until January 11, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until January 11, 09:00am

    NOW until 9:00am Sun

    Cold Weather Advisory

  • Overnight

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 59. Light northeast wind.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. North wind 3 to 5 mph.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 58. North wind 3 to 5 mph.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 46. Calm wind becoming northeast around 5 mph after midnight.

    Low: 46 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Tuesday Night

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

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 43. Light east northeast wind.
Sunday
Sunny, with a high near 59. Light northeast wind.
Sunday Night
Mostly clear, with a low around 46. North wind 3 to 5 mph.
Monday
Sunny, with a high near 58. North wind 3 to 5 mph.
Monday Night
Clear, with a low around 46. Calm wind becoming northeast around 5 mph after midnight.
Tuesday
Sunny, with a high near 62.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Clear, with a low around 49.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 63.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Hamilton CA
 37.35°N 121.62°W (Elev. 3406 ft)
Last Update:
12:26 am PST Jan 11, 2026
Forecast Valid:
2am PST Jan 11, 2026-6pm PST Jan 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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