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Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Partly Cloudy
66°F
19°C
| Humidity | 36% |
| Wind Speed | E 9 G 24 mph |
| Barometer | 30.47 in (1031.7 mb) |
| Dewpoint | 38°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 2 Oct 12:56 pm EDT |
Extended Forecast for
Islip, Long Island Mac Arthur Airport NY
This Afternoon
High: 66 °F
Sunny
Tonight
Low: 48 °F
Partly Cloudy
Friday
High: 70 °F
Mostly Sunny
Friday Night
Low: 53 °F
Mostly Clear
Saturday
High: 77 °F
Sunny
Saturday Night
Low: 59 °F
Mostly Clear
Sunday
High: 78 °F
Sunny
Sunday Night
Low: 59 °F
Clear
Monday
High: 77 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 66. Northeast wind 8 to 10 mph.
Tonight
Partly cloudy, with a low around 48. Calm wind.
Friday
Mostly sunny, with a high near 70. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Friday Night
Mostly clear, with a low around 53. West wind around 6 mph.
Saturday
Sunny, with a high near 77. Southwest wind around 7 mph.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 78.
Sunday Night
Clear, with a low around 59.
Monday
Sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 62.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 75.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
6:08 am EDT Oct 2, 2025
1pm EDT Oct 2, 2025-6pm EDT Oct 8, 2025
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