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Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Overcast

44°F

7°C

Humidity 89%
Wind Speed SW 18 G 26 mph
Barometer 29.45 in (997.3 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 17 Mar 2:56 am EDT
Extended Forecast for

5 Miles SSE Blue Point NY

Wind Advisory March 17, 03:02am until March 17, 04:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory March 17, 03:02am until March 17, 04:00am

    NOW until 4:00am Tue

    Wind Advisory

  • Overnight

    Low: 41 °F

    Chance
    Showers and
    Very Windy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38. Wind chill values between 20 and 25. Windy, with a west wind 25 to 31 mph, with gusts as high as 44 mph.

    High: 38 °F

    Mostly Sunny
    and Windy

  • Tuesday Night

    Tuesday Night: A chance of flurries before 11pm. Partly cloudy, with a low around 27. Wind chill values between 15 and 25. Breezy, with a northwest wind 18 to 24 mph.

    Low: 27 °F

    Chance
    Flurries and
    Breezy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 35. Wind chill values between 15 and 25. Northwest wind 7 to 11 mph.

    High: 35 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. South wind 5 to 7 mph.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

Overnight
A 50 percent chance of showers. Mostly cloudy, with a steady temperature around 41. Very windy, with a west wind around 45 mph, with gusts as high as 55 mph.
Tuesday
Mostly sunny, with a high near 38. Wind chill values between 20 and 25. Windy, with a west wind 25 to 31 mph, with gusts as high as 44 mph.
Tuesday Night
A chance of flurries before 11pm. Partly cloudy, with a low around 27. Wind chill values between 15 and 25. Breezy, with a northwest wind 18 to 24 mph.
Wednesday
Increasing clouds, with a high near 35. Wind chill values between 15 and 25. Northwest wind 7 to 11 mph.
Wednesday Night
Partly cloudy, with a low around 29. South wind 5 to 7 mph.
Thursday
Mostly sunny, with a high near 40.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Mostly sunny, with a high near 44.
Friday Night
A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 39.
Saturday
A 30 percent chance of rain before 2pm. Partly sunny, with a high near 45. Breezy.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 38. Breezy.
Sunday
A 30 percent chance of rain. Mostly cloudy, with a high near 46. Breezy.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 34. Windy.
Monday
Partly sunny, with a high near 42. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Blue Point NY
 40.68°N 72.99°W (Elev. 0 ft)
Last Update:
2:29 am EDT Mar 17, 2026
Forecast Valid:
3am EDT Mar 17, 2026-6pm EDT Mar 23, 2026
 
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