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Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fair
59°F
15°C
| Humidity | 83% |
| Wind Speed | W 7 mph |
| Barometer | 30.21 in (1023.0 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 4 Oct 1:56 am EDT |
Extended Forecast for
Islip NY
Overnight
Low: 52 °F
Clear
Saturday
High: 78 °F
Sunny
Saturday Night
Low: 59 °F
Mostly Clear
Sunday
High: 78 °F
Sunny
Sunday Night
Low: 60 °F
Mostly Clear
Monday
High: 76 °F
Sunny
Monday Night
Low: 61 °F
Mostly Clear
Tuesday
High: 76 °F
Mostly Sunny
Tuesday Night
Low: 59 °F
Chance
Showers then
Showers
Likely
Detailed Forecast
Overnight
Clear, with a low around 52. West wind around 7 mph.
Saturday
Sunny, with a high near 78. Southwest wind around 7 mph.
Saturday Night
Mostly clear, with a low around 59. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 78. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 60. Southwest wind around 6 mph.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Wednesday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 48.
Thursday
Sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 49.
Friday
Mostly sunny, with a high near 65.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Islip NY
40.73°N 73.22°W (Elev. 7 ft)
40.73°N 73.22°W (Elev. 7 ft)
1:43 am EDT Oct 4, 2025
2am EDT Oct 4, 2025-6pm EDT Oct 10, 2025
Additional Resources
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