Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Fair

13°F

-11°C

Humidity 44%
Wind Speed N 6 mph
Barometer 30.65 in (1037.9 mb)
Dewpoint -5°F (-21°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 25 Jan 1:56 am EST
Extended Forecast for

Blue Point NY

Winter Storm Warning until January 26, 01:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning until January 26, 01:00pm

    NOW until 1:00pm Mon

    Winter Storm Warning

  • Overnight

    Low: 12 °F

    Chance Snow

  • Sunday

    Sunday: Snow before 4pm, then snow and sleet. The snow could be heavy at times.  High near 33. Wind chill values between 5 and 15. Breezy, with a northeast wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 100%. New snow and sleet accumulation of 5 to 9 inches possible.

    High: 33 °F

    Heavy Snow
    then
    Snow/Sleet
    and Breezy

  • Sunday Night

    Sunday Night: Sleet, possibly mixed with freezing rain, mainly before 4am.  Steady temperature around 30. Wind chill values between 15 and 20. Blustery, with a northeast wind 11 to 21 mph, with gusts as high as 34 mph.  Chance of precipitation is 100%. Little or no ice accumulation expected.  New sleet accumulation of 1 to 2 inches possible.

    Low: 30 °F

    Wintry Mix
    and Blustery
    then Wintry
    Mix Likely

  • Monday

    Monday: A chance of snow, freezing rain, and sleet before 7am, then a chance of snow and freezing rain between 7am and 4pm, then a slight chance of snow after 4pm.  Cloudy, with a temperature rising to near 30 by 9am, then falling to around 26 during the remainder of the day. Wind chill values between 15 and 25. North wind 6 to 14 mph becoming northwest in the afternoon.  Chance of precipitation is 40%.

    High: 30 °F

    Chance Wintry
    Mix

  • Monday Night

    Monday Night: Partly cloudy, with a low around 13. Northwest wind around 16 mph, with gusts as high as 31 mph.

    Low: 13 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

Detailed Forecast

Overnight
A 40 percent chance of snow after 4am. Cloudy, with a low around 12. Wind chill values between 5 and 10. Northeast wind around 6 mph.
Sunday
Snow before 4pm, then snow and sleet. The snow could be heavy at times. High near 33. Wind chill values between 5 and 15. Breezy, with a northeast wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 5 to 9 inches possible.
Sunday Night
Sleet, possibly mixed with freezing rain, mainly before 4am. Steady temperature around 30. Wind chill values between 15 and 20. Blustery, with a northeast wind 11 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New sleet accumulation of 1 to 2 inches possible.
Monday
A chance of snow, freezing rain, and sleet before 7am, then a chance of snow and freezing rain between 7am and 4pm, then a slight chance of snow after 4pm. Cloudy, with a temperature rising to near 30 by 9am, then falling to around 26 during the remainder of the day. Wind chill values between 15 and 25. North wind 6 to 14 mph becoming northwest in the afternoon. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 13. Northwest wind around 16 mph, with gusts as high as 31 mph.
Tuesday
Mostly sunny, with a high near 22.
Tuesday Night
Partly cloudy, with a low around 11.
Wednesday
Mostly sunny, with a high near 24.
Wednesday Night
Mostly cloudy, with a low around 13.
Thursday
Partly sunny, with a high near 23.
Thursday Night
Partly cloudy, with a low around 9.
Friday
Mostly sunny, with a high near 23.
Friday Night
Partly cloudy, with a low around 12.
Saturday
Mostly sunny, with a high near 27.
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ABOUT THIS FORECAST

 
Point Forecast:
Blue Point NY
 40.75°N 73.04°W (Elev. 30 ft)
1:33 am EST Jan 25, 2026
3am EST Jan 25, 2026-6pm EST Jan 31, 2026
 
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Additional Resources

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