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Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fair
49°F
9°C
| Humidity | 83% |
| Wind Speed | Calm |
| Barometer | 30.43 in (1030.5 mb) |
| Dewpoint | 44°F (7°C) |
| Visibility | 10.00 mi |
| Last update | 3 Oct 1:56 am EDT |
Extended Forecast for
Islandia NY
Overnight
Low: 47 °F
Mostly Clear
Friday
High: 70 °F
Sunny
Friday Night
Low: 54 °F
Clear
Saturday
High: 78 °F
Sunny
Saturday Night
Low: 58 °F
Mostly Clear
Sunday
High: 80 °F
Sunny
Sunday Night
Low: 59 °F
Clear
Monday
High: 77 °F
Sunny
Monday Night
Low: 60 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly clear, with a low around 47. Calm wind.
Friday
Sunny, with a high near 70. Calm wind becoming southwest 5 to 9 mph in the morning.
Friday Night
Clear, with a low around 54. Southwest wind around 7 mph.
Saturday
Sunny, with a high near 78. West wind around 6 mph.
Saturday Night
Mostly clear, with a low around 58. Light southwest wind.
Sunday
Sunny, with a high near 80.
Sunday Night
Clear, with a low around 59.
Monday
Sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 62.
Wednesday
Showers likely. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 50.
Thursday
Sunny, with a high near 64.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Islandia NY
40.81°N 73.17°W (Elev. 161 ft)
40.81°N 73.17°W (Elev. 161 ft)
2:09 am EDT Oct 3, 2025
2am EDT Oct 3, 2025-6pm EDT Oct 9, 2025
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