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

Mountain View, Moffett Field (KNUQ)

Lat: 37.40583°NLon: 122.04806°WElev: 33.0ft.

Clear

55°F

13°C

Humidity 71%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 19 Jan 06:35 PM PST
Extended Forecast for

2 Miles S Sunnyvale CA

  • Tonight

    Tonight: Partly cloudy, with a low around 39. Light west northwest wind.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Patchy fog before 7am.  Otherwise, partly sunny, with a high near 65. Calm wind.

    High: 65 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

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

    Low: 46 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 64. Calm wind.

    High: 64 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, partly sunny, with a high near 64.

    High: 64 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 1am.  Otherwise, partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Friday Night

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

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 39. Light west northwest wind.
Tuesday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 65. Calm wind.
Tuesday Night
Mostly cloudy, with a low around 46. Calm wind.
Wednesday
Mostly cloudy, with a high near 64. Calm wind.
Wednesday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 46. Calm wind.
Thursday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 64.
Thursday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Partly sunny, with a high near 64.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
Partly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Sunnyvale CA
 37.36°N 122.02°W (Elev. 128 ft)
1:15 pm PST Jan 19, 2026
6pm PST Jan 19, 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