Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds
76°F
24°C
| Humidity | 77% |
| Wind Speed | W 6 mph |
| Barometer | 29.80 in (1009.2 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Heat Index | 77°F (25°C) |
| Last update | 25 Aug 8:56 am EDT |
Extended Forecast for
East Setauket NY
Today
High: 84 °F
Sunny
Tonight
Low: 64 °F
Mostly Clear
Tuesday
High: 81 °F
Sunny
Tuesday Night
Low: 62 °F
Partly Cloudy
Wednesday
High: 77 °F
Mostly Sunny
Wednesday Night
Low: 60 °F
Mostly Clear
Thursday
High: 79 °F
Mostly Sunny
Thursday Night
Low: 64 °F
Partly Cloudy
Friday
High: 77 °F
Mostly Sunny
then Chance
T-storms
Detailed Forecast
Today
Sunny, with a high near 84. West wind 3 to 6 mph.
Tonight
Mostly clear, with a low around 64. West wind around 7 mph becoming northwest after midnight.
Tuesday
Sunny, with a high near 81. West wind 6 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 62. West wind around 6 mph becoming north after midnight.
Wednesday
Mostly sunny, with a high near 77. Northwest wind around 7 mph.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 64.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 77.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 59.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 78.
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)
2:15 am EDT Aug 25, 2025
9am EDT Aug 25, 2025-6pm EDT Aug 31, 2025
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