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

57°F

14°C

Humidity 33%
Wind Speed W 5 MPH
Barometer 30.4 in (1029.46 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 09 Jan 04:47 PM PST
Extended Forecast for

10 Miles E 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: Widespread frost, mainly after 1am. Otherwise, mostly clear, with a low around 31. Calm wind becoming east southeast around 6 mph after midnight.

    Low: 31 °F

    Frost

  • Saturday

    Saturday: Widespread frost before 7am. Otherwise, mostly sunny, with a high near 57. East southeast wind around 5 mph becoming calm in the morning.

    High: 57 °F

    Frost then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33. Light east northeast wind.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 61. Light northeast wind.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34. North northeast wind around 6 mph.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Patchy frost after 5am. Otherwise, clear, with a low around 37.

    Low: 37 °F

    Clear then
    Patchy Frost

  • Tuesday

    Tuesday: Patchy frost before 7am. Otherwise, sunny, with a high near 65.

    High: 65 °F

    Patchy Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

Detailed Forecast

Tonight
Widespread frost, mainly after 1am. Otherwise, mostly clear, with a low around 31. Calm wind becoming east southeast around 6 mph after midnight.
Saturday
Widespread frost before 7am. Otherwise, mostly sunny, with a high near 57. East southeast wind around 5 mph becoming calm in the morning.
Saturday Night
Partly cloudy, with a low around 33. Light east northeast wind.
Sunday
Mostly sunny, with a high near 61. Light northeast wind.
Sunday Night
Mostly clear, with a low around 34. North northeast wind around 6 mph.
Monday
Sunny, with a high near 61.
Monday Night
Patchy frost after 5am. Otherwise, clear, with a low around 37.
Tuesday
Patchy frost before 7am. Otherwise, sunny, with a high near 65.
Tuesday Night
Clear, with a low around 39.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Clear, with a low around 41.
Thursday
Sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 41.
Friday
Sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles E Mount Hamilton CA
 37.33°N 121.47°W (Elev. 2113 ft)
Last Update:
1:09 pm PST Jan 9, 2026
Forecast Valid:
5pm PST Jan 9, 2026-6pm PST Jan 16, 2026
 
Forecast Discussion
 
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Additional Resources

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