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

60°F

16°C

Humidity 28%
Wind Speed NW 14 G 24 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 4 Nov 2:56 pm EST
Extended Forecast for

East Setauket NY

High Wind Watch November 5, 09:00pm until November 6, 08:00am
Click here for hazard details and duration
High Wind Watch

  • Tonight

    Tonight: Mostly clear, with a low around 44. West wind 8 to 14 mph.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 63. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon.

    High: 63 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 46. Windy, with a southwest wind 23 to 28 mph becoming west 32 to 37 mph after midnight. Winds could gust as high as 55 mph.

    Low: 46 °F

    Slight Chance
    Rain and
    Windy

  • Thursday

    Thursday: Sunny, with a high near 54. Breezy, with a northwest wind 20 to 23 mph, with gusts as high as 55 mph.

    High: 54 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 39. Northwest wind 7 to 16 mph.

    Low: 39 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Friday Night

    Friday Night: Rain likely, mainly after 1am. Cloudy, with a low around 55. Chance of precipitation is 60%.

    Low: 55 °F

    Rain Likely

  • Saturday

    Saturday: A 40 percent chance of rain before 1pm. Partly sunny, with a high near 63.

    High: 63 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 44. West wind 8 to 14 mph.
Wednesday
Increasing clouds, with a high near 63. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon.
Wednesday Night
A 20 percent chance of rain before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 46. Windy, with a southwest wind 23 to 28 mph becoming west 32 to 37 mph after midnight. Winds could gust as high as 55 mph.
Thursday
Sunny, with a high near 54. Breezy, with a northwest wind 20 to 23 mph, with gusts as high as 55 mph.
Thursday Night
Mostly clear, with a low around 39. Northwest wind 7 to 16 mph.
Friday
Partly sunny, with a high near 59.
Friday Night
Rain likely, mainly after 1am. Cloudy, with a low around 55. Chance of precipitation is 60%.
Saturday
A 40 percent chance of rain before 1pm. Partly sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
A 50 percent chance of rain. Mostly cloudy, with a high near 59.
Sunday Night
Rain likely. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Monday
A 30 percent chance of rain. Mostly sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 35.
Veterans Day
Mostly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
East Setauket NY
 40.94°N 73.14°W (Elev. 0 ft)
Last Update:
1:02 pm EST Nov 4, 2025
Forecast Valid:
3pm EST Nov 4, 2025-6pm EST Nov 11, 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