Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds
64°F
18°C
| Humidity | 50% |
| Wind Speed | SW 9 G 22 mph |
| Barometer | 29.95 in (1014.2 mb) |
| Dewpoint | 45°F (7°C) |
| Visibility | 10.00 mi |
| Last update | 7 Oct 2:56 pm EDT |
Extended Forecast for
East Setauket NY
Tonight
Low: 59 °F
Mostly Clear
Thursday
High: 72 °F
Becoming
SunnyThursday Night
Low: 54 °F
Mostly Clear
Friday
High: 68 °F
Sunny
Friday Night
Low: 52 °F
Mostly Clear
Saturday
High: 68 °F
Sunny
Saturday Night
Low: 58 °F
Partly Cloudy
Sunday
High: 68 °F
Showers
Sunday Night
Low: 62 °F
Showers
Detailed Forecast
Tonight
Mostly clear, with a low around 59. Southwest wind around 10 mph.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 72. West wind 9 to 11 mph.
Thursday Night
Mostly clear, with a low around 54. West wind 5 to 7 mph.
Friday
Sunny, with a high near 68. West wind 7 to 10 mph.
Friday Night
Mostly clear, with a low around 52. Northwest wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Showers. High near 68. Chance of precipitation is 90%.
Sunday Night
Showers. Low around 62. Chance of precipitation is 80%.
Columbus Day
Showers likely, mainly before 8am. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 59.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 66.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 49. Breezy.
Wednesday
Mostly sunny, with a high near 59.
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)
2:28 pm EDT Oct 7, 2026
3pm EDT Oct 7, 2026-6pm EDT Oct 14, 2026
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