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

Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Overcast

59°F

15°C

Humidity 62%
Wind Speed NNW 6 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 21 Jan 02:47 PM PST
Extended Forecast for

10 Miles E Mount Hamilton CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 62. Light and variable wind.

    High: 62 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 5am. Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost and
    Patchy Fog

  • Friday

    Friday: Patchy fog before 9am. Patchy frost before 8am. Otherwise, sunny, with a high near 60. Light and variable wind.

    High: 60 °F

    Patchy Frost
    and Patchy
    Fog then
    Sunny

  • Friday Night

    Friday Night: Patchy frost after 3am. Otherwise, mostly clear, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Clear
    then Patchy
    Frost

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, sunny, with a high near 59.

    High: 59 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 32.

    Low: 32 °F

    Clear then
    Frost

  • Sunday

    Sunday: Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 60.

    High: 60 °F

    Frost then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 3am. Otherwise, mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy
    then Patchy
    Frost

Detailed Forecast

Tonight
Mostly cloudy, with a low around 39. Calm wind.
Thursday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 62. Light and variable wind.
Thursday Night
Patchy fog after 5am. Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. Calm wind.
Friday
Patchy fog before 9am. Patchy frost before 8am. Otherwise, sunny, with a high near 60. Light and variable wind.
Friday Night
Patchy frost after 3am. Otherwise, mostly clear, with a low around 33. Calm wind.
Saturday
Areas of frost before 8am. Otherwise, sunny, with a high near 59.
Saturday Night
Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 32.
Sunday
Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 60.
Sunday Night
Patchy frost after 3am. Otherwise, mostly cloudy, with a low around 34.
Monday
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 61.
Monday Night
Patchy frost. Otherwise, partly cloudy, with a low around 34.
Tuesday
Areas of frost. Otherwise, mostly sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
A slight chance of rain. Partly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles E Mount Hamilton CA
 37.33°N 121.47°W (Elev. 2113 ft)
Last Update:
2:22 pm PST Jan 21, 2026
Forecast Valid:
4pm PST Jan 21, 2026-6pm PST Jan 28, 2026
 
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Additional Resources

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