Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fair
26°F
-3°C
| Humidity | 75% |
| Wind Speed | Calm |
| Barometer | 30.02 in (1016.4 mb) |
| Dewpoint | 19°F (-7°C) |
| Visibility | 10.00 mi |
| Last update | 27 Feb 3:56 am EST |
Extended Forecast for
Islip Terrace NY
Today
High: 41 °F
Sunny
Tonight
Low: 29 °F
Mostly Clear
Saturday
High: 48 °F
Mostly Sunny
Saturday Night
Low: 30 °F
Mostly Cloudy
Sunday
High: 38 °F
Scattered
Snow ShowersSunday Night
Low: 17 °F
Partly Cloudy
Monday
High: 28 °F
Mostly Cloudy
Monday Night
Low: 20 °F
Mostly Cloudy
Tuesday
High: 39 °F
Mostly Cloudy
then Chance
Rain
Detailed Forecast
Today
Sunny, with a high near 41. Wind chill values between 25 and 35. Calm wind becoming south around 6 mph.
Tonight
Mostly clear, with a low around 29. Light south wind.
Saturday
Mostly sunny, with a high near 48. Calm wind becoming southwest 5 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 30. Light and variable wind.
Sunday
Scattered snow showers before 1pm. Cloudy, then gradual clearing during the afternoon, with a high near 38. Northwest wind 5 to 10 mph. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 17.
Monday
Mostly cloudy, with a high near 28.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 39.
Tuesday Night
Rain likely. Cloudy, with a low around 30. Chance of precipitation is 70%.
Wednesday
A 30 percent chance of rain. Partly sunny, with a high near 44.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
Mostly cloudy, with a high near 45.
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)
12:50 am EST Feb 27, 2026
4am EST Feb 27, 2026-6pm EST Mar 5, 2026
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