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Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Partly Cloudy
54°F
12°C
| Humidity | 64% |
| Wind Speed | Calm |
| Barometer | 29.86 in (1011.0 mb) |
| Dewpoint | 42°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 8 Nov 6:56 pm EST |
Extended Forecast for
East Setauket NY
Tonight

Low: 48 °F
Mostly Cloudy
Sunday

High: 60 °F
Rain
Sunday Night

Low: 51 °F
Rain Likely
and Patchy
FogMonday

High: 55 °F⇓
Chance
ShowersMonday Night

Low: 32 °F
Partly Cloudy
Veterans Day

High: 45 °F
Partly Sunny
Tuesday Night

Low: 36 °F
Partly Cloudy
Wednesday

High: 52 °F
Mostly Cloudy
Wednesday Night

Low: 41 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 48. Northwest wind around 6 mph becoming east after midnight.
Sunday
Rain, mainly after 10am. High near 60. Southeast wind 8 to 11 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain or drizzle likely before 7pm, then drizzle or light rain likely between 7pm and 10pm, then showers likely after 10pm. Patchy fog before 10pm. Otherwise, cloudy, with a low around 51. East wind 6 to 8 mph becoming west after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 50 percent chance of showers. Mostly cloudy, with a temperature rising to near 55 by noon, then falling to around 50 during the remainder of the day. West wind 6 to 11 mph.
Monday Night
Partly cloudy, with a low around 32. West wind around 14 mph.
Veterans Day
Partly sunny, with a high near 45.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
Mostly cloudy, with a high near 52.
Wednesday Night
Mostly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Mostly clear, with a low around 38.
Friday
Mostly sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 36.
Saturday
Mostly sunny, with a high near 49.
Additional Forecasts and Information
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ABOUT 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)
5:22 pm EST Nov 8, 2025
7pm EST Nov 8, 2025-6pm EST Nov 15, 2025


