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 93%
Wind Speed N 0 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 18 Jan 09:47 PM PST
Extended Forecast for

3 Miles SSE Mount Hamilton CA

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 66. North northeast wind around 5 mph becoming calm  in the morning.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 45. Calm wind becoming east northeast around 5 mph after midnight.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64. East northeast wind around 5 mph becoming calm  in the morning.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 62. Calm wind.

    High: 62 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

M.L.King Day
Sunny, with a high near 66. North northeast wind around 5 mph becoming calm in the morning.
Tonight
Mostly clear, with a low around 45. Calm wind becoming east northeast around 5 mph after midnight.
Tuesday
Mostly sunny, with a high near 64. East northeast wind around 5 mph becoming calm in the morning.
Tuesday Night
Partly cloudy, with a low around 46. Calm wind.
Wednesday
Partly sunny, with a high near 62. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
Mostly clear, with a low around 43.
Friday
Sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
Mostly cloudy, with a low around 40.
Sunday
Mostly sunny, with a high near 57.
Basemap Options
Click map to change the forecast location
Loading map...

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 19, 2026
6am PST Jan 19, 2026-6pm PST Jan 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database