National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

A Few Clouds

55°F

13°C

Humidity 67%
Wind Speed NW 7 mph
Barometer 30.19 in (1022.3 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 8 Oct 10:56 pm EDT
Extended Forecast for

Nesconset NY

  • Tonight

    Tonight: Mostly clear, with a low around 48. North wind around 10 mph, with gusts as high as 23 mph.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 60. North wind 10 to 13 mph.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 41. Northeast wind around 6 mph.

    Low: 41 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 63. Northeast wind around 5 mph becoming light and variable.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49. South wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance Rain

  • Sunday

    Sunday: A 50 percent chance of rain. Mostly cloudy, with a high near 65. Breezy.

    High: 65 °F

    Chance Rain
    and Breezy

  • Sunday Night

    Sunday Night: Rain likely. Mostly cloudy, with a low around 52. Windy. Chance of precipitation is 60%.

    Low: 52 °F

    Rain Likely
    and Windy

Detailed Forecast

Tonight
Mostly clear, with a low around 48. North wind around 10 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 60. North wind 10 to 13 mph.
Thursday Night
Clear, with a low around 41. Northeast wind around 6 mph.
Friday
Sunny, with a high near 63. Northeast wind around 5 mph becoming light and variable.
Friday Night
Partly cloudy, with a low around 49. South wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 68.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 53.
Sunday
A 50 percent chance of rain. Mostly cloudy, with a high near 65. Breezy.
Sunday Night
Rain likely. Mostly cloudy, with a low around 52. Windy. Chance of precipitation is 60%.
Columbus Day
A 50 percent chance of rain. Mostly cloudy, with a high near 64. Windy.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 52. Breezy.
Tuesday
A 30 percent chance of rain. Partly sunny, with a high near 66.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nesconset NY
 40.86°N 73.16°W (Elev. 98 ft)
Last Update:
4:56 pm EDT Oct 8, 2025
Forecast Valid:
11pm EDT Oct 8, 2025-6pm EDT Oct 15, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation