Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fair
50°F
10°C
| Humidity | 66% |
| Wind Speed | W 7 mph |
| Barometer | 30.07 in (1018.4 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 47°F (8°C) |
| Last update | 6 Oct 8:56 pm EDT |
Extended Forecast for
East Setauket NY
Tonight
Low: 45 °F
Clear
Wednesday
High: 64 °F
Sunny
Wednesday Night
Low: 59 °F
Mostly Clear
Thursday
High: 72 °F
Sunny
Thursday Night
Low: 58 °F
Mostly Clear
Friday
High: 68 °F
Sunny
Friday Night
Low: 55 °F
Mostly Clear
Saturday
High: 67 °F
Sunny
Saturday Night
Low: 59 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 45. Northwest wind around 6 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 64. Light south wind increasing to 8 to 13 mph in the morning.
Wednesday Night
Mostly clear, with a low around 59. Southwest wind 11 to 13 mph.
Thursday
Sunny, with a high near 72. Southwest wind around 10 mph.
Thursday Night
Mostly clear, with a low around 58. Northwest wind 6 to 8 mph.
Friday
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 61.
Columbus Day
A 40 percent chance of showers. Mostly cloudy, with a high near 69.
Monday Night
Mostly cloudy, with a low around 60.
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 73.14°W (Elev. 0 ft)
40.94°N 73.14°W (Elev. 0 ft)
5:36 pm EDT Oct 6, 2026
9pm EDT Oct 6, 2026-6pm EDT Oct 13, 2026
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