Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

26°F

-3°C

Humidity 66%
Wind Speed NW 16 G 22 mph
Barometer 29.74 in (1007.3 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 26 Jan 4:56 pm EST
Extended Forecast for

5 Miles SSE Blue Point NY

  • This Afternoon

    This Afternoon: A chance of flurries.  Mostly cloudy, with a steady temperature around 26. Wind chill values between 10 and 15. Blustery, with a northwest wind around 22 mph.

    High: 26 °F

    Chance
    Flurries and
    Blustery

  • Tonight

    Tonight: Patchy blowing snow before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 17. Wind chill values between zero and 10. Windy, with a northwest wind 26 to 30 mph.

    Low: 17 °F

    Windy. Patchy
    Blowing Snow
    then Mostly
    Clear

  • Tuesday

    Tuesday: A chance of flurries after noon.  Increasing clouds, with a high near 23. Wind chill values between zero and 5. Breezy, with a west wind 20 to 25 mph.

    High: 23 °F

    Chance
    Flurries and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 16. Wind chill values between zero and 5. Windy, with a west wind 22 to 26 mph.

    Low: 16 °F

    Partly Cloudy
    and Windy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 23. Breezy, with a west wind 14 to 20 mph.

    High: 23 °F

    Sunny and
    Breezy then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 21. Breezy.

    High: 21 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 12. Blustery.

    Low: 12 °F

    Partly Cloudy
    and Blustery

  • Friday

    Friday: Mostly sunny and cold, with a high near 20. Blustery.

    High: 20 °F

    Cold and
    Blustery

Detailed Forecast

This Afternoon
A chance of flurries. Mostly cloudy, with a steady temperature around 26. Wind chill values between 10 and 15. Blustery, with a northwest wind around 22 mph.
Tonight
Patchy blowing snow before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 17. Wind chill values between zero and 10. Windy, with a northwest wind 26 to 30 mph.
Tuesday
A chance of flurries after noon. Increasing clouds, with a high near 23. Wind chill values between zero and 5. Breezy, with a west wind 20 to 25 mph.
Tuesday Night
Partly cloudy, with a low around 16. Wind chill values between zero and 5. Windy, with a west wind 22 to 26 mph.
Wednesday
Mostly sunny, with a high near 23. Breezy, with a west wind 14 to 20 mph.
Wednesday Night
Mostly cloudy, with a low around 15.
Thursday
Mostly sunny, with a high near 21. Breezy.
Thursday Night
Partly cloudy, with a low around 12. Blustery.
Friday
Mostly sunny and cold, with a high near 20. Blustery.
Friday Night
Partly cloudy, with a low around 14. Blustery.
Saturday
Mostly sunny, with a high near 25.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 20. Blustery.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 28. Windy.
Sunday Night
Mostly cloudy, with a low around 22. Windy.
Monday
Mostly sunny, with a high near 31. Blustery.
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)
1:55 pm EST Jan 26, 2026
5pm EST Jan 26, 2026-6pm EST Feb 2, 2026
 
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