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

46°F

8°C

Humidity 61%
Wind Speed NA 4 MPH
Barometer 30.44 in (1030.82 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 09 Jan 08:47 PM PST
Extended Forecast for

4 Miles SSW Mount Hamilton CA

Cold Weather Advisory January 10, 01:00am until January 10, 09:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 34. Calm wind becoming east 5 to 7 mph after midnight.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 59. East wind 5 to 8 mph becoming light and variable.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. East northeast wind around 7 mph.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 62. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 62 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. Northeast wind around 7 mph.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 34. Calm wind becoming east 5 to 7 mph after midnight.
Saturday
Mostly sunny, with a high near 59. East wind 5 to 8 mph becoming light and variable.
Saturday Night
Partly cloudy, with a low around 38. East northeast wind around 7 mph.
Sunday
Mostly sunny, with a high near 62. Calm wind becoming northwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 39. Northeast wind around 7 mph.
Monday
Sunny, with a high near 63.
Monday Night
Clear, with a low around 42.
Tuesday
Sunny, with a high near 67.
Tuesday Night
Clear, with a low around 43.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Clear, with a low around 46.
Thursday
Sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 68.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Mount Hamilton CA
 37.28°N 121.65°W (Elev. 1762 ft)
Last Update:
1:09 pm PST Jan 9, 2026
Forecast Valid:
10pm PST Jan 9, 2026-6pm PST Jan 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation