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

LOS ALTOS (LOAC1)

Lat: 37.35472°NLon: 122.14167°WElev: 539.0ft.

NA

51°F

11°C

Humidity 60%
Wind Speed WSW 5 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 19 Jan 12:10 AM PST
Extended Forecast for

5 Miles WSW Cupertino CA

  • Overnight

    Overnight: Mostly clear, with a low around 57. North northeast wind 3 to 5 mph.

    Low: 57 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 63. North northeast wind 3 to 5 mph.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50. East northeast wind around 5 mph.

    Low: 50 °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: Mostly cloudy, with a low around 50. Light east northeast wind.

    Low: 50 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 49.

    Low: 49 °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 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 57. North northeast wind 3 to 5 mph.
M.L.King Day
Sunny, with a high near 63. North northeast wind 3 to 5 mph.
Monday Night
Mostly clear, with a low around 50. East northeast wind around 5 mph.
Tuesday
Mostly sunny, with a high near 64. East northeast wind around 5 mph becoming calm in the morning.
Tuesday Night
Mostly cloudy, with a low around 50. Light east northeast wind.
Wednesday
Partly sunny, with a high near 61.
Wednesday Night
Mostly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
Mostly clear, with a low around 47.
Friday
Mostly sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 47.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Cupertino CA
 37.29°N 122.14°W (Elev. 1798 ft)
12:26 am PST Jan 19, 2026
12am PST Jan 19, 2026-6pm PST Jan 25, 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