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Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Mostly Cloudy
59°F
15°C
| Humidity | 58% |
| Wind Speed | NW 16 G 23 mph |
| Barometer | 29.83 in (1010.2 mb) |
| Dewpoint | 44°F (7°C) |
| Visibility | 10.00 mi |
| Last update | 15 May 9:56 am EDT |
Extended Forecast for
East Setauket NY
Today
High: 69 °F
Slight Chance
ShowersTonight
Low: 55 °F
Decreasing
CloudsSaturday
High: 80 °F
Sunny
Saturday Night
Low: 63 °F
Partly Cloudy
Sunday
High: 84 °F
Mostly Sunny
Sunday Night
Low: 62 °F
Partly Cloudy
Monday
High: 79 °F
Sunny
Monday Night
Low: 61 °F
Mostly Clear
Tuesday
High: 84 °F
Sunny
Detailed Forecast
Today
A 20 percent chance of showers. Partly sunny, with a high near 69. West wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 55. North wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 80. Southwest wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 63. Southwest wind 9 to 13 mph.
Sunday
Mostly sunny, with a high near 84. West wind around 7 mph.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 85.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 63.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 81.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
9:26 am EDT May 15, 2026
10am EDT May 15, 2026-6pm EDT May 21, 2026
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