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.

Mostly Cloudy

25°F

-4°C

Humidity 69%
Wind Speed NW 13 mph
Barometer 29.71 in (1006.2 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 26 Jan 3:56 pm EST
Extended Forecast for

Blue Point NY

  • This Afternoon

    This Afternoon: A chance of flurries. Mostly cloudy, with a steady temperature around 26. Wind chill values between 15 and 20. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 26 °F

    Chance
    Flurries

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 12. Wind chill values between zero and 10. Northwest wind around 15 mph, with gusts as high as 28 mph.

    Low: 12 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: A chance of flurries after noon. Increasing clouds, with a high near 22. Wind chill values between zero and 10. West wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 22 °F

    Chance
    Flurries

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 12. Wind chill values between zero and 5. 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. West wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 23 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 8.

    Low: 8 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny and cold, with a high near 20.

    High: 20 °F

    Cold

Detailed Forecast

This Afternoon
A chance of flurries. Mostly cloudy, with a steady temperature around 26. Wind chill values between 15 and 20. Northwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 12. Wind chill values between zero and 10. Northwest wind around 15 mph, with gusts as high as 28 mph.
Tuesday
A chance of flurries after noon. Increasing clouds, with a high near 22. Wind chill values between zero and 10. West wind 10 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 12. Wind chill values between zero and 5. West wind 10 to 14 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 23. West wind 8 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 11.
Thursday
Mostly sunny, with a high near 22.
Thursday Night
Mostly clear, with a low around 8.
Friday
Mostly sunny and cold, with a high near 20.
Friday Night
Partly cloudy, with a low around 9.
Saturday
Mostly sunny, with a high near 24.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 16.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 28. Blustery.
Sunday Night
Partly cloudy, with a low around 18. Blustery.
Monday
Mostly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Blue Point NY
 40.75°N 73.04°W (Elev. 30 ft)
Last Update:
1:55 pm EST Jan 26, 2026
Forecast Valid:
4pm EST Jan 26, 2026-6pm EST Feb 2, 2026
 
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Additional Resources

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