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

Below Normal Temperatures Continue

A strong cold front will sweep through the East on Wednesday with heavy wet snow from the eastern Great Lakes into northern New England and strong thunderstorms with damaging winds in the Mid-Atlantic and Northeast. The big story though will continue to be the well below average temperatures behind this storm system or east of the Rockies, as numerous record low temperatures are likely. Read More >

Hazardous Weather Conditions

Current conditions at

New York, Kennedy International Airport (KJFK)

Lat: 40.64°NLon: 73.76°WElev: 10ft.

A Few Clouds

52°F

11°C

Humidity 83%
Wind Speed S 10 mph
Barometer 29.85 in (1010.7 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 21 Apr 2:51 am EDT
Extended Forecast for

Lake Success NY

  • Overnight

    Overnight: Partly cloudy, with a low around 53. South wind around 10 mph.

    Partly Cloudy

    Low: 53 °F

  • Wednesday

    Wednesday: A chance of showers, then showers and possibly a thunderstorm after 3pm. Some of the storms could produce gusty winds. High near 62. South wind 13 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers then
    Showers

    High: 62 °F

  • Wednesday
    Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm. Low around 36. Breezy, with a west wind 18 to 21 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Showers then
    Mostly Clear
    and Breezy

    Low: 36 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 52. Breezy, with a west wind 20 to 22 mph, with gusts as high as 36 mph.

    Mostly Sunny
    and Breezy

    High: 52 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 40. West wind 16 to 18 mph, with gusts as high as 29 mph.

    Partly Cloudy

    Low: 40 °F

  • Friday

    Friday: Sunny, with a high near 62.

    Sunny

    High: 62 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 46.

    Mostly Clear

    Low: 46 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 65.

    Mostly Sunny

    High: 65 °F

  • Saturday
    Night

    Saturday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Rain Likely

    Low: 50 °F

Detailed Forecast

Overnight
Partly cloudy, with a low around 53. South wind around 10 mph.
Wednesday
A chance of showers, then showers and possibly a thunderstorm after 3pm. Some of the storms could produce gusty winds. High near 62. South wind 13 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 8pm. Low around 36. Breezy, with a west wind 18 to 21 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 52. Breezy, with a west wind 20 to 22 mph, with gusts as high as 36 mph.
Thursday Night
Partly cloudy, with a low around 40. West wind 16 to 18 mph, with gusts as high as 29 mph.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 46.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Sunday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 62.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 67.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Lake Success NY
 40.77°N 73.71°W (Elev. 197 ft)
Last Update:
12:40 am EDT Apr 21, 2021
Forecast Valid:
3am EDT Apr 21, 2021-6pm EDT Apr 27, 2021
 
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