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Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Light Rain
40°F
4°C
| Humidity | 86% |
| Wind Speed | NW 16 G 26 mph |
| Barometer | 29.63 in (1003.3 mb) |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 32°F (0°C) |
| Last update | 2 Dec 10:56 pm EST |
Extended Forecast for
Islip Terrace NY
Tonight

Low: 30 °F
Gradual
ClearingWednesday

High: 41 °F
Sunny
Wednesday Night

Low: 30 °F
Mostly Clear
Thursday

High: 41 °F
Partly Sunny
Thursday Night

Low: 19 °F
Mostly Clear
Friday

High: 37 °F
Increasing
CloudsFriday Night

Low: 26 °F
Chance
Rain/SnowSaturday

High: 42 °F
Chance Rain
Saturday Night

Low: 28 °F
Partly Cloudy
Detailed Forecast
Tonight
Cloudy early, then gradual clearing, with a low around 30. Northwest wind around 10 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 41. Wind chill values between 25 and 35. Northwest wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 30. Calm wind becoming west 5 to 7 mph after midnight.
Thursday
Partly sunny, with a high near 41. Wind chill values between 25 and 35. West wind 8 to 14 mph, with gusts as high as 28 mph.
Thursday Night
Mostly clear, with a low around 19. North wind 5 to 13 mph, with gusts as high as 29 mph.
Friday
Increasing clouds, with a high near 37.
Friday Night
A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.
Saturday
A 30 percent chance of rain before 1pm. Partly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 40.
Sunday Night
Mostly cloudy, with a low around 22.
Monday
Partly sunny, with a high near 33.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Partly sunny, with a high near 36.
Additional Forecasts and Information
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ABOUT 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)
5:30 pm EST Dec 2, 2025
11pm EST Dec 2, 2025-6pm EST Dec 9, 2025


