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.

Partly Cloudy

59°F

15°C

Humidity 75%
Wind Speed NE 6 mph
Barometer 30.16 in (1021.3 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 22 Sep 5:51 am EDT
Extended Forecast for

Lake Success NY

  • Today

    Today: Mostly sunny, with a high near 74. Light and variable wind becoming south 5 to 7 mph in the morning.

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 62. Southwest wind around 7 mph.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80. Southwest wind 6 to 10 mph.

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Southwest wind 6 to 8 mph. Chance of precipitation is 50%.

    Low: 65 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers. Partly sunny, with a high near 79. West wind 6 to 8 mph becoming east in the afternoon.

    High: 79 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers. Cloudy, with a high near 74.

    High: 74 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely. Cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Friday

    Friday: A 50 percent chance of showers. Mostly cloudy, with a high near 77.

    High: 77 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 74. Light and variable wind becoming south 5 to 7 mph in the morning.
Tonight
Partly cloudy, with a low around 62. Southwest wind around 7 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80. Southwest wind 6 to 10 mph.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Southwest wind 6 to 8 mph. Chance of precipitation is 50%.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 79. West wind 6 to 8 mph becoming east in the afternoon.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 64.
Thursday
A 50 percent chance of showers. Cloudy, with a high near 74.
Thursday Night
Showers likely. Cloudy, with a low around 65. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 77.
Friday Night
Showers likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 77.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 63.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lake Success NY
 40.77°N 73.71°W (Elev. 197 ft)
Last Update:
2:02 am EDT Sep 22, 2025
Forecast Valid:
6am EDT Sep 22, 2025-6pm EDT Sep 28, 2025
 
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