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

55°F

13°C

Humidity 66%
Wind Speed N 0 MPH
Barometer 30.33 in (1027.09 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 27 Jan 09:47 PM PST
Extended Forecast for

10 Miles NNE Mount Hamilton CA

  • Overnight

    Overnight: A 20 percent chance of rain. Mostly cloudy, with a steady temperature around 41. West southwest wind around 5 mph.

    Low: 41 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Mostly sunny, with a high near 56. Calm wind becoming north northwest 5 to 8 mph in the morning.

    High: 56 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Patchy frost after 1am. Otherwise, mostly clear, with a low around 35. North wind 7 to 9 mph.

    Low: 35 °F

    Mostly Clear
    then Patchy
    Frost

  • Thursday

    Thursday: Sunny, with a high near 59. North northeast wind around 6 mph.

    High: 59 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38. North wind around 5 mph becoming light and variable.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of rain. Mostly cloudy, with a steady temperature around 41. West southwest wind around 5 mph.
Wednesday
Mostly sunny, with a high near 56. Calm wind becoming north northwest 5 to 8 mph in the morning.
Wednesday Night
Patchy frost after 1am. Otherwise, mostly clear, with a low around 35. North wind 7 to 9 mph.
Thursday
Sunny, with a high near 59. North northeast wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 38. North wind around 5 mph becoming light and variable.
Friday
Mostly sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Mostly cloudy, with a low around 40.
Sunday
A slight chance of rain after 10am. Partly sunny, with a high near 60.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Patchy frost. Otherwise, sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNE Mount Hamilton CA
 37.48°N 121.56°W (Elev. 3707 ft)
Last Update:
12:26 am PST Jan 28, 2026
Forecast Valid:
3am PST Jan 28, 2026-6pm PST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation