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

11 Miles NNE Mount Hamilton CA

  • Tonight

    Tonight: Partly cloudy, with a low around 48. North wind around 6 mph becoming south after midnight.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61. South southeast wind around 6 mph becoming light and variable  in the afternoon.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41. Northwest wind 3 to 5 mph.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 59. Light west northwest wind.

    High: 59 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39. West wind 3 to 5 mph.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Patchy frost after 5am.  Otherwise, partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy
    then Patchy
    Frost

  • Friday

    Friday: Patchy frost before 7am.  Otherwise, sunny, with a high near 55.

    High: 55 °F

    Patchy Frost
    then Sunny

  • Friday Night

    Friday Night: Patchy frost after 2am.  Otherwise, mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear
    then Patchy
    Frost

Detailed Forecast

Tonight
Partly cloudy, with a low around 48. North wind around 6 mph becoming south after midnight.
Tuesday
Mostly sunny, with a high near 61. South southeast wind around 6 mph becoming light and variable in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 41. Northwest wind 3 to 5 mph.
Wednesday
Mostly cloudy, with a high near 59. Light west northwest wind.
Wednesday Night
Mostly cloudy, with a low around 39. West wind 3 to 5 mph.
Thursday
Partly sunny, with a high near 57.
Thursday Night
Patchy frost after 5am. Otherwise, partly cloudy, with a low around 36.
Friday
Patchy frost before 7am. Otherwise, sunny, with a high near 55.
Friday Night
Patchy frost after 2am. Otherwise, mostly clear, with a low around 34.
Saturday
Areas of frost before 8am. Otherwise, sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 57.
Sunday Night
Mostly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNE Mount Hamilton CA
 37.48°N 121.56°W (Elev. 3707 ft)
1:15 pm PST Jan 19, 2026
11pm PST Jan 19, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database