Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Overcast

31°F

-1°C

Humidity 59%
Wind Speed E 8 mph
Barometer 30.17 in (1021.6 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 5 Dec 1:56 pm EST
Extended Forecast for

5 Miles SSE Blue Point NY

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 38. East wind around 8 mph.

    High: 38 °F

    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of drizzle before 8pm, then a slight chance of snow between 8pm and 10pm, then a chance of drizzle after 10pm.  Cloudy, with a temperature rising to around 39 by 4am. East wind around 6 mph.  Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Drizzle/Snow
    then Chance
    Drizzle

  • Saturday

    Saturday: A chance of drizzle before 1pm.  Cloudy, with a high near 43. East wind 6 to 13 mph becoming west in the afternoon.

    High: 43 °F

    Chance
    Drizzle

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 35. West wind 11 to 15 mph.

    Low: 35 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 41. North wind 7 to 9 mph becoming southwest in the afternoon.

    High: 41 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 34. Breezy.

    High: 34 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25. Blustery.

    Low: 25 °F

    Partly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 41. Breezy.

    High: 41 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 38. East wind around 8 mph.
Tonight
A slight chance of drizzle before 8pm, then a slight chance of snow between 8pm and 10pm, then a chance of drizzle after 10pm. Cloudy, with a temperature rising to around 39 by 4am. East wind around 6 mph. Chance of precipitation is 20%.
Saturday
A chance of drizzle before 1pm. Cloudy, with a high near 43. East wind 6 to 13 mph becoming west in the afternoon.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 35. West wind 11 to 15 mph.
Sunday
Partly sunny, with a high near 41. North wind 7 to 9 mph becoming southwest in the afternoon.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 34. Breezy.
Monday Night
Partly cloudy, with a low around 25. Blustery.
Tuesday
Mostly sunny, with a high near 41. Breezy.
Tuesday Night
Mostly cloudy, with a low around 37. Breezy.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 48. Breezy.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 40. Breezy.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 45. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Blue Point NY
 40.68°N 72.99°W (Elev. 0 ft)
1:11 pm EST Dec 5, 2025
2pm EST Dec 5, 2025-6pm EST Dec 11, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database