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Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds
42°F
6°C
| Humidity | 92% |
| Wind Speed | Calm |
| Barometer | 30.48 in (1032.1 mb) |
| Dewpoint | 40°F (4°C) |
| Visibility | 10.00 mi |
| Last update | 19 Oct 7:56 am EDT |
Extended Forecast for
Nissequogue NY
Today
High: 61 °F
Sunny
Tonight
Low: 51 °F
Mostly Cloudy
Tuesday
High: 64 °F
Mostly Cloudy
Tuesday Night
Low: 49 °F
Partly Cloudy
and BreezyWednesday
High: 60 °F
Sunny and
Breezy then
Mostly SunnyWednesday Night
Low: 47 °F
Partly Cloudy
Thursday
High: 63 °F
Sunny
Thursday Night
Low: 48 °F
Mostly Clear
Friday
High: 58 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 61. Northeast wind 9 to 11 mph.
Tonight
Mostly cloudy, with a low around 51. Northeast wind 10 to 15 mph.
Tuesday
Mostly cloudy, with a high near 64. Northeast wind 15 to 18 mph.
Tuesday Night
Partly cloudy, with a low around 49. Breezy, with a northeast wind 14 to 24 mph.
Wednesday
Mostly sunny, with a high near 60. Breezy, with a northeast wind 14 to 23 mph.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 57.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Sunny, with a high near 62.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Nissequogue NY
40.92°N 73.18°W (Elev. 23 ft)
40.92°N 73.18°W (Elev. 23 ft)
5:21 am EDT Oct 19, 2026
8am EDT Oct 19, 2026-6pm EDT Oct 25, 2026
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