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.

Mostly Cloudy

68°F

20°C

Humidity 78%
Wind Speed SW 6 mph
Barometer 29.97 in (1014.8 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 2 Jun 8:56 pm EDT
Extended Forecast for

East Setauket NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 65. Southwest wind 5 to 9 mph.

    Low: 65 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 81. West wind around 6 mph becoming northeast in the afternoon.

    High: 81 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. East wind around 6 mph.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75. East wind 6 to 9 mph.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 59. South wind 3 to 6 mph.

    Low: 59 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Partly sunny, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of showers. Partly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 65. Southwest wind 5 to 9 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 81. West wind around 6 mph becoming northeast in the afternoon.
Monday Night
Partly cloudy, with a low around 59. East wind around 6 mph.
Tuesday
Mostly sunny, with a high near 75. East wind 6 to 9 mph.
Tuesday Night
Mostly cloudy, with a low around 59. South wind 3 to 6 mph.
Wednesday
Partly sunny, with a high near 76.
Wednesday Night
A 40 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 64.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Partly sunny, with a high near 77. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of showers. Partly cloudy, with a low around 63.
Friday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 78.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 61.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 76.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 61.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 76.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
East Setauket NY
 40.94°N 73.11°W (Elev. 52 ft)
Last Update:
7:28 pm EDT Jun 2, 2024
Forecast Valid:
9pm EDT Jun 2, 2024-6pm EDT Jun 9, 2024
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation