Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds
74°F
23°C
| Humidity | 32% |
| Wind Speed | NW 14 mph |
| Barometer | 29.86 in (1011.1 mb) |
| Dewpoint | 42°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 8 Oct 4:56 pm EDT |
Extended Forecast for
Islip Terrace NY
Tonight
Low: 53 °F
Mostly Clear
Friday
High: 70 °F
Sunny
Friday Night
Low: 51 °F
Mostly Clear
Saturday
High: 68 °F
Mostly Sunny
Saturday Night
Low: 56 °F
Mostly Cloudy
Sunday
High: 68 °F
Mostly Cloudy
then Chance
ShowersSunday Night
Low: 60 °F
Showers
Columbus Day
High: 70 °F
Chance
ShowersMonday Night
Low: 59 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 53. Northwest wind 3 to 8 mph.
Friday
Sunny, with a high near 70. West wind 5 to 11 mph.
Friday Night
Mostly clear, with a low around 51. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 68. Light and variable wind becoming north around 5 mph.
Saturday Night
Mostly cloudy, with a low around 56. Calm wind.
Sunday
A 50 percent chance of showers after 2pm. Mostly cloudy, with a high near 68.
Sunday Night
Showers, mainly after 8pm. Low around 60. Chance of precipitation is 90%.
Columbus Day
A 40 percent chance of showers before 2pm. Mostly cloudy, with a high near 70.
Monday Night
Mostly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Mostly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 62.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Islip Terrace NY
40.77°N 73.21°W (Elev. 49 ft)
40.77°N 73.21°W (Elev. 49 ft)
2:23 pm EDT Oct 8, 2026
5pm EDT Oct 8, 2026-6pm EDT Oct 15, 2026
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