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.

Light Freezing Rain Fog/Mist

20°F

-7°C

Humidity 85%
Wind Speed N 15 mph
Barometer 29.73 in (1007.0 mb)
Dewpoint 16°F (-9°C)
Visibility 4.00 mi
Wind Chill6°F (-14°C)
Last update 26 Jan 3:56 am EST
Extended Forecast for

Blue Point NY

  • Overnight

    Overnight: A 30 percent chance of snow. Cloudy, with a steady temperature around 29. Wind chill values between 20 and 25. North wind around 14 mph.

    Low: 29 °F

    Chance Snow

  • Monday

    Monday: A 40 percent chance of snow before 1pm. Cloudy, with a steady temperature around 27. Wind chill values between 15 and 20. North wind 7 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 27 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 13. Wind chill values between zero and 10. West wind 14 to 16 mph, with gusts as high as 28 mph.

    Low: 13 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 22. Wind chill values between zero and 10. West wind 11 to 14 mph, with gusts as high as 25 mph.

    High: 22 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 12. West wind 10 to 14 mph, with gusts as high as 25 mph.

    Low: 12 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 23.

    High: 23 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 7.

    Low: 7 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of snow. Cloudy, with a steady temperature around 29. Wind chill values between 20 and 25. North wind around 14 mph.
Monday
A 40 percent chance of snow before 1pm. Cloudy, with a steady temperature around 27. Wind chill values between 15 and 20. North wind 7 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 13. Wind chill values between zero and 10. West wind 14 to 16 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 22. Wind chill values between zero and 10. West wind 11 to 14 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 12. West wind 10 to 14 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 23.
Wednesday Night
Mostly cloudy, with a low around 10.
Thursday
Mostly sunny, with a high near 21.
Thursday Night
Mostly clear, with a low around 7.
Friday
Mostly sunny and cold, with a high near 20.
Friday Night
Mostly clear, with a low around 9.
Saturday
Sunny, with a high near 25.
Saturday Night
Mostly clear, with a low around 13.
Sunday
Mostly sunny, with a high near 28.
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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:
1:49 am EST Jan 26, 2026
Forecast Valid:
4am EST Jan 26, 2026-6pm EST Feb 1, 2026
 
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Additional Resources

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Chance of Precipitation