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

52°F

11°C

Humidity 62%
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 06:50 PM PST
Extended Forecast for

Mount Hamilton CA

Cold Weather Advisory January 11, 01:00am until January 11, 09:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Partly cloudy, with a low around 38. East wind 3 to 6 mph.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 58. East wind around 5 mph becoming light and variable in the morning.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. North wind around 6 mph.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 58. North northwest wind around 6 mph.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 44. Northeast wind 3 to 6 mph.

    Low: 44 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 47.

    Low: 47 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 38. East wind 3 to 6 mph.
Sunday
Sunny, with a high near 58. East wind around 5 mph becoming light and variable in the morning.
Sunday Night
Mostly clear, with a low around 43. North wind around 6 mph.
Monday
Sunny, with a high near 58. North northwest wind around 6 mph.
Monday Night
Clear, with a low around 44. Northeast wind 3 to 6 mph.
Tuesday
Sunny, with a high near 62.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Clear, with a low around 47.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 63.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Hamilton CA
 37.35°N 121.64°W (Elev. 2398 ft)
Last Update:
2:45 pm PST Jan 10, 2026
Forecast Valid:
7pm PST Jan 10, 2026-6pm PST Jan 17, 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