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

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Current conditions at

New York, Kennedy International Airport (KJFK)

Lat: 40.64°NLon: 73.76°WElev: 10ft.

A Few Clouds

33°F

1°C

Humidity 36%
Wind Speed S 13 mph
Barometer 30.41 in (1029.7 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 18 Mar 4:51 pm EDT
Extended Forecast for

Lake Success NY

  • Tonight

    Tonight: Mostly clear, with a low around 27. Southeast wind 5 to 7 mph.

    Low: 27 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 43. Wind chill values between 25 and 35. South wind 5 to 9 mph.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 36. Southwest wind 5 to 7 mph.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 52. South wind 5 to 9 mph.

    High: 52 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Rain likely. Mostly cloudy, with a low around 43. South wind around 11 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain Likely

  • Saturday

    Saturday: A 30 percent chance of rain before 8am. Partly sunny, with a high near 55.

    High: 55 °F

    Chance Rain
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 30 percent chance of rain after 8pm. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 27. Southeast wind 5 to 7 mph.
Thursday
Mostly sunny, with a high near 43. Wind chill values between 25 and 35. South wind 5 to 9 mph.
Thursday Night
Mostly cloudy, with a low around 36. Southwest wind 5 to 7 mph.
Friday
Increasing clouds, with a high near 52. South wind 5 to 9 mph.
Friday Night
Rain likely. Mostly cloudy, with a low around 43. South wind around 11 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A 30 percent chance of rain before 8am. Partly sunny, with a high near 55.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Mostly cloudy, with a high near 58.
Sunday Night
A 30 percent chance of rain after 8pm. Mostly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 50.
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:
2:35 pm EDT Mar 18, 2026
Forecast Valid:
4pm EDT Mar 18, 2026-6pm EDT Mar 25, 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