Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Smoke
79°F
26°C
| Humidity | 67% |
| Wind Speed | E 7 mph |
| Barometer | 30.29 in (1025.7 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 6.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 5 Aug 10:56 am EDT |
Extended Forecast for
Smithtown NY
Today
High: 86 °F
Haze
Tonight
Low: 66 °F
Haze
Wednesday
High: 80 °F
Mostly Cloudy
Wednesday Night
Low: 66 °F
Mostly Cloudy
Thursday
High: 82 °F
Mostly Sunny
Thursday Night
Low: 65 °F
Mostly Clear
Friday
High: 82 °F
Sunny
Friday Night
Low: 65 °F
Mostly Clear
Saturday
High: 84 °F
Sunny
Detailed Forecast
Today
Widespread haze. Partly sunny, with a high near 86. Northeast wind around 7 mph becoming southeast in the afternoon.
Tonight
Widespread haze. Increasing clouds, with a low around 66. East wind 3 to 6 mph.
Wednesday
Mostly cloudy, with a high near 80. East wind 6 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 66. East wind around 6 mph.
Thursday
Mostly sunny, with a high near 82. East wind 6 to 10 mph.
Thursday Night
Mostly clear, with a low around 65.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 70.
Monday
Mostly sunny, with a high near 86.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Smithtown NY
40.86°N 73.22°W (Elev. 82 ft)
40.86°N 73.22°W (Elev. 82 ft)
2:12 am EDT Aug 5, 2025
11am EDT Aug 5, 2025-6pm EDT Aug 11, 2025
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