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

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Partly Cloudy

66°F

19°C

Humidity 75%
Wind Speed SW 5 mph
Barometer 30.01 in (1016.3 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 21 May 9:56 am EDT
Extended Forecast for

Nesconset NY

  • Today

    Today: Mostly sunny, with a high near 74. South wind 6 to 10 mph.

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 57. South wind 7 to 9 mph.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 78. South wind 7 to 11 mph.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 61. Southwest wind 8 to 11 mph.

    Low: 61 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Southwest wind 8 to 10 mph. Chance of precipitation is 50%.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 74. South wind 6 to 10 mph.
Tonight
Partly cloudy, with a low around 57. South wind 7 to 9 mph.
Wednesday
Sunny, with a high near 78. South wind 7 to 11 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 61. Southwest wind 8 to 11 mph.
Thursday
A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Southwest wind 8 to 10 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Friday
Partly sunny, with a high near 80.
Friday Night
Mostly cloudy, with a low around 57.
Saturday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 73.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 57.
Sunday
Partly sunny, with a high near 73.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 59.
Memorial Day
A 40 percent chance of showers. Partly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Nesconset NY
 40.86°N 73.16°W (Elev. 98 ft)
Last Update:
5:46 am EDT May 21, 2024
Forecast Valid:
10am EDT May 21, 2024-6pm EDT May 27, 2024
 
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