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Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Mostly Cloudy
69°F
21°C
Humidity | 73% |
Wind Speed | S 6 mph |
Barometer | 29.99 in (1015.6 mb) |
Dewpoint | 60°F (16°C) |
Visibility | 10.00 mi |
Last update | 29 Aug 5:56 am EDT |
Extended Forecast for
Islip, Long Island Mac Arthur Airport NY
Today
High: 77 °F
Slight Chance
T-stormsTonight
Low: 56 °F
Partly Cloudy
Saturday
High: 76 °F
Sunny
Saturday Night
Low: 58 °F
Mostly Clear
Sunday
High: 77 °F
Sunny
Sunday Night
Low: 58 °F
Mostly Clear
Labor Day
High: 76 °F
Mostly Sunny
Monday Night
Low: 60 °F
Mostly Clear
Tuesday
High: 76 °F
Sunny
Detailed Forecast
Today
A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 11am, then a slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 77. Southwest wind 6 to 13 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 56. West wind around 6 mph becoming north in the evening.
Saturday
Sunny, with a high near 76. Northwest wind around 7 mph.
Saturday Night
Mostly clear, with a low around 58. West wind around 5 mph becoming light and variable in the evening.
Sunday
Sunny, with a high near 77. North wind around 6 mph.
Sunday Night
Mostly clear, with a low around 58.
Labor Day
Mostly sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 76.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Islip, Long Island Mac Arthur Airport NY
40.78°N 73.09°W (Elev. 49 ft)
40.78°N 73.09°W (Elev. 49 ft)
5:31 am EDT Aug 29, 2025
6am EDT Aug 29, 2025-6pm EDT Sep 4, 2025