Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Clear

48°F

9°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 19 Jan 09:55 PM PST
Extended Forecast for

3 Miles SSE Mount Hamilton CA

  • Today

    Today: Mostly sunny, with a high near 63. East southeast wind around 5 mph becoming calm  in the morning.

    High: 63 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 60. Calm wind.

    High: 60 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 59. Light west wind.

    High: 59 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 63. East southeast wind around 5 mph becoming calm in the morning.
Tonight
Mostly cloudy, with a low around 47. Calm wind.
Wednesday
Mostly cloudy, with a high near 60. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 44. Calm wind.
Thursday
Partly sunny, with a high near 59. Light west wind.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Mount Hamilton CA
 37.31°N 121.63°W (Elev. 2933 ft)
12:26 am PST Jan 20, 2026
4am PST Jan 20, 2026-6pm PST Jan 26, 2026
 
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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