Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Fair

41°F

5°C

Humidity 38%
Wind Speed N 13 G 23 mph
Barometer 30.38 in (1028.8 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 24 Mar 10:56 am EDT
Extended Forecast for

5 Miles SSE Blue Point NY

  • Today

    Today: Sunny, with a high near 42. North wind 8 to 18 mph, with gusts as high as 29 mph.

    High: 42 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 35. Southwest wind 11 to 15 mph.

    Low: 35 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 44. Southwest wind 9 to 13 mph.

    High: 44 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 41. South wind 11 to 14 mph.

    Low: 41 °F

    Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 49. Breezy, with a southwest wind 14 to 20 mph.

    High: 49 °F

    Mostly Cloudy
    then Partly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Rain likely, mainly after 2am.  Mostly cloudy, with a low around 45. Breezy.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Breezy.
    Chance Rain
    then Rain
    Likely

  • Friday

    Friday: Rain likely, mainly before 8am.  Cloudy, then gradually becoming mostly sunny, with a high near 48. Chance of precipitation is 60%.

    High: 48 °F

    Rain Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 29. Blustery.

    Low: 29 °F

    Mostly Cloudy
    then Partly
    Cloudy and
    Blustery

  • Saturday

    Saturday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 42. North wind 8 to 18 mph, with gusts as high as 29 mph.
Tonight
Increasing clouds, with a low around 35. Southwest wind 11 to 15 mph.
Wednesday
Partly sunny, with a high near 44. Southwest wind 9 to 13 mph.
Wednesday Night
Cloudy, with a low around 41. South wind 11 to 14 mph.
Thursday
Mostly cloudy, with a high near 49. Breezy, with a southwest wind 14 to 20 mph.
Thursday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 45. Breezy. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain likely, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 48. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 29. Blustery.
Saturday
Sunny, with a high near 39.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 44.
Sunday Night
Mostly cloudy, with a low around 38.
Monday
Partly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Blue Point NY
 40.68°N 72.99°W (Elev. 0 ft)
10:58 am EDT Mar 24, 2026
11am EDT Mar 24, 2026-6pm EDT Mar 30, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database