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

New York, La Guardia Airport (KLGA)

Lat: 40.78°NLon: 73.88°WElev: 20ft.

Light Rain

72°F

22°C

Humidity 82%
Wind Speed NW 9 mph
Barometer 29.65 in (1003.9 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 29 Jul 11:51 pm EDT
Extended Forecast for

Lake Success NY

  • Overnight

    Overnight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Northwest wind around 7 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 77. North wind 8 to 13 mph. Chance of precipitation is 40%.

    High: 77 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 66. North wind 6 to 9 mph.

    Low: 66 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 83. Northwest wind around 6 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 68. South wind 3 to 6 mph.

    Low: 68 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 71.

    Low: 71 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 81.

    High: 81 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 50 percent chance of showers after 8pm. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    Showers

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Northwest wind around 7 mph. Chance of precipitation is 30%.
Thursday
A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 77. North wind 8 to 13 mph. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 66. North wind 6 to 9 mph.
Friday
Sunny, with a high near 83. Northwest wind around 6 mph.
Friday Night
Partly cloudy, with a low around 68. South wind 3 to 6 mph.
Saturday
Partly sunny, with a high near 84.
Saturday Night
Mostly cloudy, with a low around 71.
Sunday
Mostly cloudy, with a high near 81.
Sunday Night
A 50 percent chance of showers after 8pm. Mostly cloudy, with a low around 70.
Monday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Monday Night
A chance of thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Sunny, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Success NY
 40.77°N 73.71°W (Elev. 197 ft)
Last Update:
9:30 pm EDT Jul 29, 2026
Forecast Valid:
12am EDT Jul 30, 2026-6pm EDT Aug 5, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation