Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Partly Cloudy
48°F
9°C
| Humidity | 80% |
| Wind Speed | N 3 mph |
| Barometer | 30.13 in (1020.5 mb) |
| Dewpoint | 42°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 11 Apr 6:56 am EDT |
Extended Forecast for
Islip, Long Island Mac Arthur Airport NY
Today
High: 60 °F
Sunny and
BreezyTonight
Low: 37 °F
Clear
Sunday
High: 54 °F
Increasing
CloudsSunday Night
Low: 44 °F
Mostly Cloudy
Monday
High: 63 °F
Partly Sunny
then Slight
Chance
ShowersMonday Night
Low: 53 °F
Decreasing
CloudsTuesday
High: 74 °F
Partly Sunny
Tuesday Night
Low: 54 °F
Mostly Cloudy
Wednesday
High: 78 °F
Partly Sunny
Detailed Forecast
Today
Sunny, with a high near 60. Breezy, with a northwest wind 11 to 21 mph.
Tonight
Clear, with a low around 37. North wind 6 to 10 mph.
Sunday
Increasing clouds, with a high near 54. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 44. South wind 8 to 10 mph.
Monday
A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 63. Southwest wind 14 to 17 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 53.
Tuesday
Partly sunny, with a high near 74.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
Partly sunny, with a high near 78.
Wednesday Night
Mostly cloudy, with a low around 58.
Thursday
Partly sunny, with a high near 76.
Thursday Night
Mostly cloudy, with a low around 54.
Friday
Mostly cloudy, with a high near 67.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Islip, Long Island Mac Arthur Airport NY
40.81°N 73.11°W (Elev. 98 ft)
40.81°N 73.11°W (Elev. 98 ft)
7:18 am EDT Apr 11, 2026
7am EDT Apr 11, 2026-6pm EDT Apr 17, 2026
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