Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Partly Cloudy
43°F
6°C
| Humidity | 43% |
| Wind Speed | W 20 G 28 mph |
| Barometer | 30.02 in (1016.6 mb) |
| Dewpoint | 22°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 34°F (1°C) |
| Last update | 6 Apr 8:56 am EDT |
Extended Forecast for
Islip, Long Island Mac Arthur Airport NY
Today
High: 54 °F
Mostly Sunny
Tonight
Low: 39 °F
Chance
ShowersTuesday
High: 50 °F
Mostly Sunny
Tuesday Night
Low: 30 °F
Mostly Clear
Wednesday
High: 46 °F
Sunny
Wednesday Night
Low: 34 °F
Mostly Clear
Thursday
High: 51 °F
Mostly Sunny
Thursday Night
Low: 41 °F
Partly Cloudy
Friday
High: 60 °F
Mostly Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 54. West wind around 14 mph, with gusts as high as 30 mph.
Tonight
A chance of showers between 11pm and 2am. Mostly cloudy, with a low around 39. West wind around 6 mph becoming light and variable. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 50. Northwest wind 10 to 16 mph.
Tuesday Night
Mostly clear, with a low around 30. Wind chill values between 20 and 25. North wind 10 to 13 mph.
Wednesday
Sunny, with a high near 46. North wind 6 to 8 mph becoming southeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 34.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 58.
Additional Forecasts and Information
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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)
7:36 am EDT Apr 6, 2026
9am EDT Apr 6, 2026-6pm EDT Apr 12, 2026
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