Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fog and Breezy
54°F
12°C
| Humidity | 100% |
| Wind Speed | S 22 G 38 mph |
| Barometer | 29.63 in (1003.3 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 0.13 mi |
| Wind Chill | 49°F (9°C) |
| Last update | 16 Mar 3:56 pm EDT |
Extended Forecast for
Islip, Long Island Mac Arthur Airport NY
Wind Advisory until March 17, 04:00am
NOW until 4:00am Tue
Wind Advisory
This Afternoon
High: 57 °F
Showers and
Areas FogTonight
Low: 34 °F
Showers and
Areas FogTuesday
High: 42 °F
Mostly Sunny
Tuesday Night
Low: 24 °F
Partly Cloudy
Wednesday
High: 37 °F
Mostly Sunny
Wednesday Night
Low: 28 °F
Partly Cloudy
Thursday
High: 43 °F
Mostly Sunny
Thursday Night
Low: 33 °F
Mostly Cloudy
Detailed Forecast
This Afternoon
Showers and possibly a thunderstorm. Areas of fog. High near 57. Breezy, with a south wind around 20 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 2am, then a chance of showers. Areas of fog before 2am. Low around 34. Breezy, with a south wind 17 to 23 mph becoming west after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Mostly sunny, with a high near 42. West wind around 14 mph, with gusts as high as 26 mph.
Tuesday Night
Partly cloudy, with a low around 24. Northwest wind 7 to 9 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 37. Northwest wind around 6 mph.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 43.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
Partly sunny, with a high near 49.
Friday Night
A 50 percent chance of rain after 8pm. Mostly cloudy, with a low around 36.
Saturday
A 40 percent chance of rain. Partly sunny, with a high near 48.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 34.
Sunday
Mostly cloudy, with a high near 47.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 46.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Islip, Long Island Mac Arthur Airport NY
40.78°N 73.09°W (Elev. 49 ft)
40.78°N 73.09°W (Elev. 49 ft)
3:44 pm EDT Mar 16, 2026
4pm EDT Mar 16, 2026-6pm EDT Mar 23, 2026
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