Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds
24°F
-4°C
| Humidity | 52% |
| Wind Speed | W 3 mph |
| Barometer | 29.94 in (1014.1 mb) |
| Dewpoint | 9°F (-13°C) |
| Visibility | 10.00 mi |
| Last update | 24 Feb 7:56 pm EST |
Extended Forecast for
Islip Terrace NY
Tonight
Low: 18 °F⇑
Mostly Clear
then Snow
LikelyWednesday
High: 40 °F
Rain/Snow
then Chance
RainWednesday Night
Low: 29 °F
Partly Cloudy
Thursday
High: 37 °F
Mostly Sunny
then Chance
SnowThursday Night
Low: 26 °F
Chance Snow
Friday
High: 37 °F
Mostly Sunny
Friday Night
Low: 28 °F
Partly Cloudy
Saturday
High: 44 °F
Mostly Sunny
Saturday Night
Low: 29 °F
Partly Cloudy
Detailed Forecast
Tonight
Snow likely after 4am. Increasing clouds, with a temperature falling to near 18 by 10pm, then rising to around 32 during the remainder of the night. Wind chill values between 10 and 15. West wind 5 to 7 mph becoming south after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Rain and snow before 11am, then a chance of rain between 11am and 1pm. High near 40. Southwest wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around 29. Southwest wind around 6 mph.
Thursday
A 30 percent chance of snow, mainly after 4pm. Partly sunny, with a high near 37. Wind chill values between 25 and 35. West wind 3 to 6 mph.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 26. Light and variable wind.
Friday
Mostly sunny, with a high near 37.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 40.
Sunday Night
Partly cloudy, with a low around 20.
Monday
A 40 percent chance of snow. Partly sunny, with a high near 30.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 21.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 30%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Islip Terrace NY
40.75°N 73.18°W (Elev. 30 ft)
40.75°N 73.18°W (Elev. 30 ft)
4:55 pm EST Feb 24, 2026
8pm EST Feb 24, 2026-6pm EST Mar 3, 2026
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