Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Overcast and Breezy

49°F

9°C

Humidity 66%
Wind Speed SW 22 G 31 mph
Barometer 29.45 in (997.2 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 10 Dec 3:56 pm EST
Extended Forecast for

5 Miles SSE Blue Point NY

  • This Afternoon

    This Afternoon: A 30 percent chance of rain.  Cloudy, with a high near 49. Windy, with a southwest wind around 31 mph.

    High: 49 °F

    Chance Rain
    and Windy

  • Tonight

    Tonight: Rain, mainly before 10pm.  Low around 32. Windy, with a southwest wind 28 to 31 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Windy. Rain
    then Chance
    Rain

  • Thursday

    Thursday: A 20 percent chance of snow showers after 1pm.  Mostly sunny, with a temperature falling to around 33 by 8am. Wind chill values between 20 and 25. Windy, with a west wind around 31 mph, with gusts as high as 44 mph.

    High: 37 °F

    Windy. Mostly
    Sunny then
    Slight Chance
    Snow Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 29. Wind chill values between 15 and 20. Windy, with a west wind 31 to 37 mph.

    Low: 29 °F

    Partly Cloudy
    and Windy

  • Friday

    Friday: Mostly sunny, with a high near 36. Breezy, with a west wind 18 to 25 mph.

    High: 36 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of snow after 1am.  Mostly cloudy, with a low around 30. Breezy.

    Low: 30 °F

    Mostly Cloudy
    and Breezy
    then Chance
    Snow

  • Sunday

    Sunday: A 40 percent chance of snow before 1pm.  Mostly cloudy, with a high near 34. Breezy.

    High: 34 °F

    Chance Snow
    and Breezy

Detailed Forecast

This Afternoon
A 30 percent chance of rain. Cloudy, with a high near 49. Windy, with a southwest wind around 31 mph.
Tonight
Rain, mainly before 10pm. Low around 32. Windy, with a southwest wind 28 to 31 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 20 percent chance of snow showers after 1pm. Mostly sunny, with a temperature falling to around 33 by 8am. Wind chill values between 20 and 25. Windy, with a west wind around 31 mph, with gusts as high as 44 mph.
Thursday Night
Partly cloudy, with a low around 29. Wind chill values between 15 and 20. Windy, with a west wind 31 to 37 mph.
Friday
Mostly sunny, with a high near 36. Breezy, with a west wind 18 to 25 mph.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Partly sunny, with a high near 40.
Saturday Night
A 40 percent chance of snow after 1am. Mostly cloudy, with a low around 30. Breezy.
Sunday
A 40 percent chance of snow before 1pm. Mostly cloudy, with a high near 34. Breezy.
Sunday Night
Partly cloudy, with a low around 24. Windy.
Monday
Sunny, with a high near 32. Breezy.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
Partly cloudy, with a low around 31.
Wednesday
Partly sunny, with a high near 44.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Blue Point NY
 40.68°N 72.99°W (Elev. 0 ft)
3:34 pm EST Dec 10, 2025
4pm EST Dec 10, 2025-6pm EST Dec 17, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database