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

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Partly Cloudy

61°F

16°C

Humidity 67%
Wind Speed WNW 9 MPH
Barometer 30.33 in (1027.09 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 28 Jan 04:50 PM PST
Extended Forecast for

10 Miles E Mount Hamilton CA

  • Tonight

    Tonight: Patchy fog between midnight and 2am. Patchy frost after 2am. Otherwise, mostly clear, with a low around 34. Light northwest wind.

    Low: 34 °F

    Mostly Clear
    then Patchy
    Frost and
    Patchy Fog

  • Thursday

    Thursday: Areas of frost before 8am. Otherwise, sunny, with a high near 66. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 66 °F

    Areas Frost
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 68. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Friday Night

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

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog between midnight and 2am. Patchy frost after 2am. Otherwise, mostly clear, with a low around 34. Light northwest wind.
Thursday
Areas of frost before 8am. Otherwise, sunny, with a high near 66. Calm wind becoming northeast around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 37. Calm wind.
Friday
Mostly sunny, with a high near 68. Calm wind becoming east northeast around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 39. Calm wind.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Sunny, with a high near 65.
Monday Night
Patchy frost. Otherwise, mostly clear, with a low around 36.
Tuesday
Areas of frost. Otherwise, sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 37.
Wednesday
Sunny, with a high near 69.
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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:
12:26 pm PST Jan 28, 2026
Forecast Valid:
5pm PST Jan 28, 2026-6pm PST Feb 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation