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

Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

A Few Clouds and Breezy

36°F

2°C

Humidity 32%
Wind Speed NW 22 G 35 mph
Barometer 29.64 in (1003.8 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 11 Dec 12:56 pm EST
Extended Forecast for

Blue Point NY

Wind Advisory December 11, 01:38pm until December 12, 04:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory December 11, 01:38pm until December 12, 04:00am

    NOW until 4:00am Fri

    Wind Advisory

  • This Afternoon

    High: 36 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 24. Wind chill values between 15 and 20. West wind 14 to 17 mph, with gusts as high as 45 mph.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 34. Wind chill values between 10 and 20. West wind 11 to 14 mph, with gusts as high as 29 mph.

    High: 34 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25. West wind 5 to 8 mph.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly cloudy, with a high near 41. Southwest wind 5 to 13 mph.

    High: 41 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Snow likely after 1am. Cloudy, with a low around 27. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 27 °F

    Cloudy then
    Snow Likely

  • Sunday

    Sunday: Snow likely before 1pm. Mostly cloudy, with a high near 32. Chance of precipitation is 70%.

    High: 32 °F

    Snow Likely

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 36. Wind chill values between 20 and 25. West wind around 17 mph, with gusts as high as 43 mph.
Tonight
Partly cloudy, with a low around 24. Wind chill values between 15 and 20. West wind 14 to 17 mph, with gusts as high as 45 mph.
Friday
Sunny, with a high near 34. Wind chill values between 10 and 20. West wind 11 to 14 mph, with gusts as high as 29 mph.
Friday Night
Mostly clear, with a low around 25. West wind 5 to 8 mph.
Saturday
Mostly cloudy, with a high near 41. Southwest wind 5 to 13 mph.
Saturday Night
Snow likely after 1am. Cloudy, with a low around 27. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Sunday
Snow likely before 1pm. Mostly cloudy, with a high near 32. Chance of precipitation is 70%.
Sunday Night
Partly cloudy, with a low around 18.
Monday
Sunny, with a high near 31.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Partly sunny, with a high near 44.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Blue Point NY
 40.75°N 73.04°W (Elev. 30 ft)
Last Update:
1:12 pm EST Dec 11, 2025
Forecast Valid:
1pm EST Dec 11, 2025-6pm EST Dec 17, 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