National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

New York, La Guardia Airport (KLGA)

Lat: 40.78°NLon: 73.88°WElev: 20ft.

Mostly Cloudy

47°F

8°C

Humidity 52%
Wind Speed NW 8 mph
Barometer 30.16 in (1021.3 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 20 Apr 10:51 am EDT
Extended Forecast for

Lake Success NY

  • Today

    Today: A 30 percent chance of showers, mainly before noon. Partly sunny, with a high near 53. Northwest wind 9 to 15 mph, with gusts as high as 25 mph.

    High: 53 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 34. North wind 10 to 16 mph.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 53. North wind 6 to 8 mph becoming south in the afternoon.

    High: 53 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 2am. Increasing clouds, with a low around 43. South wind around 11 mph.

    Low: 43 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 60. South wind around 10 mph.

    High: 60 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 49 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers, mainly before noon. Partly sunny, with a high near 53. Northwest wind 9 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 34. North wind 10 to 16 mph.
Tuesday
Sunny, with a high near 53. North wind 6 to 8 mph becoming south in the afternoon.
Tuesday Night
A 30 percent chance of showers after 2am. Increasing clouds, with a low around 43. South wind around 11 mph.
Wednesday
A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 60. South wind around 10 mph.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Mostly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 47.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 58.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 46.
Sunday
A 30 percent chance of showers. Mostly cloudy, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Success NY
 40.77°N 73.71°W (Elev. 197 ft)
Last Update:
9:27 am EDT Apr 20, 2026
Forecast Valid:
11am EDT Apr 20, 2026-6pm EDT Apr 26, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation