Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fog/Mist
50°F
10°C
| Humidity | 96% |
| Wind Speed | SE 18 G 35 mph |
| Barometer | 29.89 in (1012.0 mb) |
| Dewpoint | 49°F (9°C) |
| Visibility | 4.00 mi |
| Wind Chill | 44°F (7°C) |
| Last update | 16 Mar 5:56 am EDT |
Extended Forecast for
Islip, Long Island Mac Arthur Airport NY
Wind Advisory March 16, 02:00pm until March 17, 04:00am
Today
High: 57 °F
Showers and
Areas FogTonight
Low: 35 °F
Showers and
Areas FogTuesday
High: 39 °F
Mostly Sunny
Tuesday Night
Low: 24 °F
Partly Cloudy
Wednesday
High: 37 °F
Increasing
CloudsWednesday Night
Low: 28 °F
Mostly Cloudy
Thursday
High: 43 °F
Mostly Sunny
Thursday Night
Low: 34 °F
Partly Cloudy
Friday
High: 49 °F
Mostly Sunny
Detailed Forecast
Today
Showers and possibly a thunderstorm. Areas of fog. High near 57. Breezy, with a south wind 15 to 20 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers and possibly a thunderstorm before 2am, then a chance of showers. Areas of fog before 2am. Low around 35. Breezy, with a south wind 15 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 steady temperature around 39. West wind 13 to 15 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
Increasing clouds, with a high near 37. Northwest wind around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 43.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 49.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 47.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 33.
Sunday
A 30 percent chance of rain. Partly sunny, with a high near 45.
Additional Forecasts and Information
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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)
6:14 am EDT Mar 16, 2026
6am EDT Mar 16, 2026-6pm EDT Mar 22, 2026
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