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

17°F

-8°C

Humidity 54%
Wind Speed W 7 mph
Barometer 29.98 in (1015.3 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 27 Jan 7:56 pm EST
Extended Forecast for

Blue Point NY

  • Tonight

    Tonight: Mostly clear, with a low around 11. Wind chill values between zero and 5. West wind 10 to 13 mph, with gusts as high as 24 mph.

    Low: 11 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 23. Wind chill values between -5 and 5. West wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 23 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 11. Wind chill values between zero and 5. West wind around 7 mph.

    Low: 11 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 21. Wind chill values between zero and 10. Northwest wind 8 to 11 mph.

    High: 21 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 8. Northwest wind around 10 mph, with gusts as high as 21 mph.

    Low: 8 °F

    Mostly Clear

  • Friday

    Friday: Sunny and cold, with a high near 19.

    High: 19 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around 6.

    Low: 6 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 16. Blustery.

    Low: 16 °F

    Chance Snow
    and Blustery

Detailed Forecast

Tonight
Mostly clear, with a low around 11. Wind chill values between zero and 5. West wind 10 to 13 mph, with gusts as high as 24 mph.
Wednesday
Increasing clouds, with a high near 23. Wind chill values between -5 and 5. West wind 7 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 11. Wind chill values between zero and 5. West wind around 7 mph.
Thursday
Sunny, with a high near 21. Wind chill values between zero and 10. Northwest wind 8 to 11 mph.
Thursday Night
Mostly clear, with a low around 8. Northwest wind around 10 mph, with gusts as high as 21 mph.
Friday
Sunny and cold, with a high near 19.
Friday Night
Partly cloudy, with a low around 6.
Saturday
Partly sunny, with a high near 22.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 16. Blustery.
Sunday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 28. Blustery. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 18. Blustery.
Monday
Mostly sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Blue Point NY
 40.75°N 73.04°W (Elev. 30 ft)
Last Update:
12:48 pm EST Jan 27, 2026
Forecast Valid:
8pm EST Jan 27, 2026-6pm EST Feb 3, 2026
 
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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