Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Fair

28°F

-2°C

Humidity 88%
Wind Speed Calm
Barometer 30.13 in (1020.4 mb)
Dewpoint 25°F (-4°C)
Visibility 9.00 mi
Last update 28 Feb 12:56 am EST
Extended Forecast for

Blue Point NY

  • Overnight

    Overnight: Patchy fog.  Otherwise, mostly clear, with a low around 30. Southeast wind around 5 mph.

    Low: 30 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 44. South wind 5 to 8 mph.

    High: 44 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28. Light and variable wind becoming north 5 to 8 mph after midnight.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Snow likely, mainly between 10am and 4pm.  Increasing clouds, with a high near 37. Wind chill values between 25 and 30. North wind 7 to 9 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 37 °F

    Snow Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before 7pm.  Mostly clear, with a low around 15. North wind 9 to 14 mph.

    Low: 15 °F

    Chance Snow
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 27.

    High: 27 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 50 percent chance of rain after 1pm.  Mostly cloudy, with a high near 41.

    High: 41 °F

    Partly Sunny
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 35. Chance of precipitation is 90%.

    Low: 35 °F

    Rain

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly clear, with a low around 30. Southeast wind around 5 mph.
Saturday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 44. South wind 5 to 8 mph.
Saturday Night
Partly cloudy, with a low around 28. Light and variable wind becoming north 5 to 8 mph after midnight.
Sunday
Snow likely, mainly between 10am and 4pm. Increasing clouds, with a high near 37. Wind chill values between 25 and 30. North wind 7 to 9 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday Night
A 30 percent chance of snow before 7pm. Mostly clear, with a low around 15. North wind 9 to 14 mph.
Monday
Sunny, with a high near 27.
Monday Night
Mostly clear, with a low around 19.
Tuesday
A 50 percent chance of rain after 1pm. Mostly cloudy, with a high near 41.
Tuesday Night
Rain. Low around 35. Chance of precipitation is 90%.
Wednesday
A 40 percent chance of rain before 1pm. Mostly cloudy, with a high near 45.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 33.
Thursday
A 40 percent chance of rain. Cloudy, with a high near 45.
Thursday Night
A 50 percent chance of rain. Cloudy, with a low around 38.
Friday
A 30 percent chance of rain. Cloudy, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
Blue Point NY
 40.75°N 73.04°W (Elev. 30 ft)
12:55 am EST Feb 28, 2026
1am EST Feb 28, 2026-6pm EST Mar 6, 2026
 
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Additional Resources

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