Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Partly Cloudy

41°F

5°C

Humidity 73%
Wind Speed W 9 mph
Barometer 29.89 in (1012.1 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 14 Nov 11:56 pm EST
Extended Forecast for

Farmingville NY

  • Overnight

    Overnight: Partly cloudy, with a low around 35. West wind around 9 mph.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 50. Northwest wind 7 to 16 mph.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34. North wind 6 to 8 mph.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 51. Northwest wind 6 to 9 mph.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 34. Northwest wind 3 to 5 mph.

    Low: 34 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 35. West wind around 9 mph.
Sunday
Sunny, with a high near 50. Northwest wind 7 to 16 mph.
Sunday Night
Partly cloudy, with a low around 34. North wind 6 to 8 mph.
Monday
Sunny, with a high near 51. Northwest wind 6 to 9 mph.
Monday Night
Clear, with a low around 34. Northwest wind 3 to 5 mph.
Tuesday
Sunny, with a high near 54.
Tuesday Night
Mostly clear, with a low around 38.
Wednesday
Sunny, with a high near 59.
Wednesday Night
Mostly clear, with a low around 40.
Thursday
Sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Farmingville NY
 40.84°N 73.05°W (Elev. 197 ft)
7:16 pm EST Nov 14, 2026
12am EST Nov 15, 2026-6pm EST Nov 21, 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