


Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fair
73°F
23°C
Humidity | 51% |
Wind Speed | SW 9 mph |
Barometer | 30.02 in (1016.4 mb) |
Dewpoint | 54°F (12°C) |
Visibility | 10.00 mi |
Last update | 22 Aug 7:56 pm EDT |
Extended Forecast for
East Setauket NY
Tonight
Low: 67 °F
Clear
Saturday
High: 82 °F
Sunny
Saturday Night
Low: 68 °F
Mostly Clear
Sunday
High: 82 °F
Mostly Sunny
Sunday Night
Low: 69 °F
Chance
ShowersMonday
High: 82 °F
Chance
ShowersMonday Night
Low: 64 °F
Partly Cloudy
Tuesday
High: 79 °F
Sunny
Tuesday Night
Low: 61 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 67. Southwest wind 5 to 7 mph.
Saturday
Sunny, with a high near 82. South wind 6 to 10 mph.
Saturday Night
Mostly clear, with a low around 68. South wind 10 to 13 mph.
Sunday
Mostly sunny, with a high near 82. South wind 8 to 11 mph.
Sunday Night
A slight chance of showers, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 69. South wind 7 to 10 mph. Chance of precipitation is 40%.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 79.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
East Setauket NY
40.94°N 73.14°W (Elev. 0 ft)
40.94°N 73.14°W (Elev. 0 ft)
2:06 pm EDT Aug 22, 2025
8pm EDT Aug 22, 2025-6pm EDT Aug 29, 2025