Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fair
55°F
13°C
| Humidity | 51% |
| Wind Speed | W 3 mph |
| Barometer | 30.05 in (1017.6 mb) |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 6 Oct 6:56 pm EDT |
Extended Forecast for
East Setauket NY
Tonight
Low: 44 °F
Clear
Wednesday
High: 64 °F
Sunny
Wednesday Night
Low: 58 °F
Mostly Clear
Thursday
High: 72 °F
Sunny
Thursday Night
Low: 56 °F
Mostly Clear
Friday
High: 67 °F
Sunny
Friday Night
Low: 54 °F
Mostly Clear
Saturday
High: 67 °F
Sunny
Saturday Night
Low: 58 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 44. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 64. Light south wind increasing to 6 to 11 mph in the morning.
Wednesday Night
Mostly clear, with a low around 58. Southwest wind 9 to 11 mph.
Thursday
Sunny, with a high near 72. Southwest wind around 9 mph.
Thursday Night
Mostly clear, with a low around 56. Northwest wind 5 to 7 mph.
Friday
Sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 60.
Columbus Day
A 40 percent chance of showers. Mostly cloudy, with a high near 69.
Monday Night
Mostly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 68.
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)
5:36 pm EDT Oct 6, 2026
7pm EDT Oct 6, 2026-6pm EDT Oct 13, 2026
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