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.

Overcast

43°F

6°C

Humidity 45%
Wind Speed SW 9 mph
Barometer 29.88 in (1011.7 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 13 Jan 1:56 pm EST
Extended Forecast for

2 Miles SW Nissequogue NY

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 43. West wind around 13 mph, with gusts as high as 23 mph.

    High: 43 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 25. Wind chill values between 15 and 20. West wind 11 to 15 mph.

    Low: 25 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32. Wind chill values between 15 and 20. Breezy, with a west wind 15 to 22 mph.

    High: 32 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 21. Wind chill values between 5 and 15. West wind 15 to 18 mph, with gusts as high as 28 mph.

    Low: 21 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 33. Northwest wind around 16 mph, with gusts as high as 28 mph.

    High: 33 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 43. West wind around 13 mph, with gusts as high as 23 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 25. Wind chill values between 15 and 20. West wind 11 to 15 mph.
Tuesday
Mostly sunny, with a high near 32. Wind chill values between 15 and 20. Breezy, with a west wind 15 to 22 mph.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 21. Wind chill values between 5 and 15. West wind 15 to 18 mph, with gusts as high as 28 mph.
Wednesday
Mostly sunny, with a high near 33. Northwest wind around 16 mph, with gusts as high as 28 mph.
Wednesday Night
Mostly clear, with a low around 20.
Thursday
Mostly sunny, with a high near 33.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Sunny, with a high near 39.
Friday Night
Partly cloudy, with a low around 32.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 46.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 32.
Sunday
A chance of rain and snow. Partly sunny, with a high near 40. Chance of precipitation is 30%.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Nissequogue NY
 40.88°N 73.21°W (Elev. 85 ft)
Last Update:
2:02 pm EST Jan 13, 2025
Forecast Valid:
2pm EST Jan 13, 2025-6pm EST Jan 19, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation