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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
47°F
8°C
| Humidity | 54% |
| Wind Speed | NE 8 mph |
| Barometer | 30.57 in (1035.1 mb) |
| Dewpoint | 31°F (-1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 43°F (6°C) |
| Last update | 18 Oct 8:56 am EDT |
Extended Forecast for
North Great River NY
Today
High: 58 °F
Sunny
Tonight
Low: 43 °F
Mostly Clear
Monday
High: 60 °F
Increasing
CloudsMonday Night
Low: 46 °F
Mostly Cloudy
Tuesday
High: 64 °F
Partly Sunny
Tuesday Night
Low: 45 °F
Partly Cloudy
Wednesday
High: 59 °F
Mostly Sunny
Wednesday Night
Low: 46 °F
Partly Cloudy
Thursday
High: 62 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 58. North wind around 8 mph.
Tonight
Mostly clear, with a low around 43. Calm wind becoming northeast around 5 mph after midnight.
Monday
Increasing clouds, with a high near 60. Northeast wind 8 to 11 mph.
Monday Night
Mostly cloudy, with a low around 46. North wind 8 to 13 mph, with gusts as high as 24 mph.
Tuesday
Partly sunny, with a high near 64. North wind around 15 mph, with gusts as high as 28 mph.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 59.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 58.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
North Great River NY
40.74°N 73.16°W (Elev. 7 ft)
40.74°N 73.16°W (Elev. 7 ft)
2:22 am EDT Oct 18, 2026
9am EDT Oct 18, 2026-6pm EDT Oct 24, 2026
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