Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fair
31°F
-1°C
| Humidity | 54% |
| Wind Speed | N 12 G 20 mph |
| Barometer | 30.50 in (1032.7 mb) |
| Dewpoint | 16°F (-9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 22°F (-6°C) |
| Last update | 8 Apr 2:56 am EDT |
Extended Forecast for
Islip Terrace NY
Overnight
Low: 27 °F
Clear
Wednesday
High: 47 °F
Sunny
Wednesday Night
Low: 33 °F
Mostly Clear
Thursday
High: 49 °F
Mostly Sunny
Thursday Night
Low: 38 °F
Partly Cloudy
Friday
High: 56 °F
Mostly Sunny
Friday Night
Low: 45 °F
Mostly Cloudy
Saturday
High: 59 °F
Mostly Sunny
Saturday Night
Low: 40 °F
Mostly Clear
Detailed Forecast
Overnight
Clear, with a low around 27. Wind chill values between 20 and 25. North wind around 11 mph.
Wednesday
Sunny, with a high near 47. Wind chill values between 20 and 30 early. North wind around 6 mph becoming southeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 33. Calm wind.
Thursday
Mostly sunny, with a high near 49. Calm wind becoming southeast 5 to 8 mph in the morning.
Thursday Night
Partly cloudy, with a low around 38. Light southeast wind.
Friday
Mostly sunny, with a high near 56.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Partly sunny, with a high near 63.
Monday Night
Mostly cloudy, with a low around 52.
Tuesday
Partly sunny, with a high near 67.
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)
6:49 pm EDT Apr 7, 2026
3am EDT Apr 8, 2026-6pm EDT Apr 14, 2026
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