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

Hazardous Weather Conditions

Current conditions at

New York, Kennedy International Airport (KJFK)

Lat: 40.64°NLon: 73.76°WElev: 10ft.

Mostly Cloudy

94°F

34°C

Humidity 46%
Wind Speed SW 12 mph
Barometer 29.91 in (1012.8 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 4 Jul 11:51 am EDT
Extended Forecast for

Lake Success NY

Extreme Heat Warning July 4, 12:42pm until July 4, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 4, 12:42pm until July 4, 09:00pm

    NOW until 9:00pm Sat

    Extreme Heat Warning

  • Independence Day

    High: 97 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers between 2am and 5am. Mostly cloudy, with a low around 73. North wind 5 to 7 mph becoming southwest in the evening. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 73 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm, mainly after 2pm. Increasing clouds, with a high near 84. East wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 67. East wind 7 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 77. East wind 11 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 77 °F

    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 66 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Independence Day
Showers likely and possibly a thunderstorm after 2pm. Increasing clouds, with a high near 97. Heat index values as high as 104. West wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers between 2am and 5am. Mostly cloudy, with a low around 73. North wind 5 to 7 mph becoming southwest in the evening. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers likely and possibly a thunderstorm, mainly after 2pm. Increasing clouds, with a high near 84. East wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm. Low around 67. East wind 7 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers and possibly a thunderstorm. High near 77. East wind 11 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 69.
Thursday
Mostly sunny, with a high near 88.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 72.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 90.
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:
3:48 am EDT Jul 4, 2026
Forecast Valid:
12pm EDT Jul 4, 2026-6pm EDT Jul 10, 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