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

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Fair

19°F

-7°C

Humidity 47%
Wind Speed NW 13 mph
Barometer 30.25 in (1024.6 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 19 Feb 3:56 am EST
Extended Forecast for

Selden NY

  • Today

    Today: Increasing clouds, with a high near 29. Wind chill values between 5 and 15. West wind 11 to 14 mph.

    High: 29 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 18. Wind chill values between 10 and 15. North wind around 7 mph.

    Low: 18 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of snow showers, mainly after 1pm. Mostly cloudy, with a high near 28. Wind chill values between 10 and 20. North wind around 9 mph.

    High: 28 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of snow showers before 1am. Mostly cloudy, with a low around 21. Wind chill values between 10 and 15. Northwest wind 10 to 14 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Chance Snow
    Showers

  • Friday

    Friday: Sunny, with a high near 34. Northwest wind 13 to 15 mph, with gusts as high as 28 mph.

    High: 34 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 29. Wind chill values between 5 and 15. West wind 11 to 14 mph.
Tonight
Mostly cloudy, with a low around 18. Wind chill values between 10 and 15. North wind around 7 mph.
Thursday
A 40 percent chance of snow showers, mainly after 1pm. Mostly cloudy, with a high near 28. Wind chill values between 10 and 20. North wind around 9 mph.
Thursday Night
A 30 percent chance of snow showers before 1am. Mostly cloudy, with a low around 21. Wind chill values between 10 and 15. Northwest wind 10 to 14 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 34. Northwest wind 13 to 15 mph, with gusts as high as 28 mph.
Friday Night
Mostly clear, with a low around 19.
Saturday
Sunny, with a high near 37.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
Mostly sunny, with a high near 40.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 42.
Monday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 33.
Tuesday
A 30 percent chance of rain. Partly sunny, with a high near 46.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Selden NY
 40.86°N 73.04°W (Elev. 115 ft)
Last Update:
3:21 am EST Feb 19, 2025
Forecast Valid:
4am EST Feb 19, 2025-6pm EST Feb 25, 2025
 
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