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

6 Miles NNW Mount Hamilton CA

  • Today

    Today: Mostly sunny, with a high near 62. East southeast wind around 6 mph becoming calm  in the afternoon.

    High: 62 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. Light and variable wind becoming east northeast around 5 mph after midnight.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 59. East wind around 5 mph becoming calm  in the morning.

    High: 59 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 45. Calm wind becoming southwest around 5 mph after midnight.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 58. South southwest wind around 5 mph becoming light and variable.

    High: 58 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 62. East southeast wind around 6 mph becoming calm in the afternoon.
Tonight
Mostly cloudy, with a low around 49. Light and variable wind becoming east northeast around 5 mph after midnight.
Wednesday
Mostly cloudy, with a high near 59. East wind around 5 mph becoming calm in the morning.
Wednesday Night
Mostly cloudy, with a low around 45. Calm wind becoming southwest around 5 mph after midnight.
Thursday
Partly sunny, with a high near 58. South southwest wind around 5 mph becoming light and variable.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 59.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Mount Hamilton CA
 37.43°N 121.69°W (Elev. 3619 ft)
12:26 am PST Jan 20, 2026
6am 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