Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fog
53°F
12°C
| Humidity | 100% |
| Wind Speed | S 16 G 31 mph |
| Barometer | 29.70 in (1005.9 mb) |
| Dewpoint | 53°F (12°C) |
| Visibility | 0.13 mi |
| Wind Chill | 48°F (9°C) |
| Last update | 16 Mar 12:56 pm EDT |
Extended Forecast for
East Setauket NY
Wind Advisory March 16, 02:00pm until March 17, 04:00am
This Afternoon

High: 59 °F
Showers and
Areas FogTonight

Low: 35 °F
Showers and
Areas FogTuesday

High: 42 °F
Sunny
Tuesday Night

Low: 25 °F
Partly Cloudy
Wednesday

High: 38 °F
Mostly Sunny
Wednesday Night

Low: 29 °F
Mostly Cloudy
Thursday

High: 43 °F
Mostly Sunny
Thursday Night

Low: 35 °F
Mostly Cloudy
Friday

High: 50 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Showers and possibly a thunderstorm. Areas of fog. High near 59. Breezy, with a south wind 20 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and possibly a thunderstorm before 2am, then a chance of showers. Areas of fog before 2am. Low around 35. Windy, with a south wind 21 to 28 mph becoming west after midnight. Winds could gust as high as 48 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Sunny, with a high near 42. West wind around 17 mph.
Tuesday Night
Partly cloudy, with a low around 25. Wind chill values between 15 and 20. West wind 11 to 14 mph.
Wednesday
Mostly sunny, with a high near 38. Northwest wind 5 to 8 mph becoming southwest in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 43.
Thursday Night
Mostly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 50.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 47. Chance of precipitation is 40%.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 34.
Sunday
A 30 percent chance of rain. Partly sunny, with a high near 45.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
East Setauket NY
40.94°N 73.11°W (Elev. 52 ft)
40.94°N 73.11°W (Elev. 52 ft)
11:41 am EDT Mar 16, 2026
1pm EDT Mar 16, 2026-6pm EDT Mar 22, 2026



