Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fog/Mist and Breezy
47°F
8°C
| Humidity | 93% |
| Wind Speed | SE 21 G 32 mph |
| Barometer | 29.95 in (1014.1 mb) |
| Dewpoint | 45°F (7°C) |
| Visibility | 6.00 mi |
| Wind Chill | 39°F (4°C) |
| Last update | 16 Mar 3:56 am EDT |
Extended Forecast for
Islip, Long Island Mac Arthur Airport NY
Wind Advisory March 16, 02:00pm until March 17, 04:00am
Overnight
Low: 48 °F
Showers and
Areas FogMonday
High: 58 °F
Showers and
Areas FogMonday Night
Low: 35 °F
Showers and
Areas FogTuesday
High: 39 °F
Mostly Sunny
Tuesday Night
Low: 24 °F
Partly Cloudy
Wednesday
High: 38 °F
Mostly Sunny
Wednesday Night
Low: 27 °F
Mostly Cloudy
Thursday
High: 44 °F
Mostly Sunny
Thursday Night
Low: 33 °F
Partly Cloudy
Detailed Forecast
Overnight
Showers, with thunderstorms also possible after 5am. Areas of fog after 5am. Steady temperature around 48. Breezy, with a southeast wind around 20 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and possibly a thunderstorm. Areas of fog. High near 58. Breezy, with a south wind 18 to 25 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Areas of fog before 2am. Low around 35. Windy, with a south wind 20 to 28 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 around 18 mph, with gusts as high as 29 mph.
Tuesday Night
Partly cloudy, with a low around 24. Northwest wind 10 to 14 mph.
Wednesday
Mostly sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Mostly sunny, with a high near 44.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 50.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 48.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 46.
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)
2:29 am EDT Mar 16, 2026
4am EDT Mar 16, 2026-6pm EDT Mar 22, 2026
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