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

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

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Mostly Cloudy

63°F

17°C

Humidity 55%
Wind Speed WSW 6 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 27 Jan 04:47 PM PST
Extended Forecast for

5 Miles SSW Mount Hamilton CA

  • This Afternoon

    This Afternoon: A 20 percent chance of rain. Mostly cloudy, with a steady temperature around 57. South southwest wind around 6 mph.

    High: 57 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A 20 percent chance of rain. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 45. East wind around 6 mph becoming calm after midnight.

    Low: 45 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 64. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 64 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40. North wind around 5 mph becoming calm in the evening.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 68. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Mostly cloudy, with a steady temperature around 57. South southwest wind around 6 mph.
Tonight
A 20 percent chance of rain. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 45. East wind around 6 mph becoming calm after midnight.
Wednesday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 64. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 40. North wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 68. Calm wind becoming north northwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Partly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
A slight chance of rain. Partly sunny, with a high near 67.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 63.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Mount Hamilton CA
 37.28°N 121.68°W (Elev. 1138 ft)
Last Update:
12:26 pm PST Jan 27, 2026
Forecast Valid:
5pm PST Jan 27, 2026-6pm PST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation