Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Mostly Cloudy
71°F
22°C
| Humidity | 66% |
| Wind Speed | S 3 mph |
| Barometer | 30.14 in (1020.3 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 3 Aug 9:56 pm EDT |
Extended Forecast for
Islip NYSimilar City Names
Tonight
Low: 63 °F
Mostly Clear
Monday
High: 86 °F
Haze
Monday Night
Low: 69 °F
Partly Cloudy
Tuesday
High: 84 °F
Mostly Sunny
Tuesday Night
Low: 68 °F
Mostly Cloudy
Wednesday
High: 81 °F
Partly Sunny
Wednesday Night
Low: 68 °F
Mostly Cloudy
Thursday
High: 79 °F
Partly Sunny
Thursday Night
Low: 66 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 63. Light and variable wind.
Monday
Widespread haze. Sunny, with a high near 86. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 69. South wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 84. Calm wind becoming east 5 to 8 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 68. East wind 3 to 6 mph.
Wednesday
Partly sunny, with a high near 81.
Wednesday Night
Mostly cloudy, with a low around 68.
Thursday
Partly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 66.
Friday
Mostly sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 67.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 84.
Additional Forecasts and Information
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Point Forecast:
Islip NYSimilar City Names
40.73°N 73.22°W (Elev. 7 ft)
40.73°N 73.22°W (Elev. 7 ft)
2:10 pm EDT Aug 3, 2025
10pm EDT Aug 3, 2025-6pm EDT Aug 10, 2025
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