Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Mostly Cloudy and Breezy
57°F
14°C
| Humidity | 60% |
| Wind Speed | W 21 G 29 mph |
| Barometer | 29.84 in (1010.5 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 8 Nov 9:56 am EST |
Extended Forecast for
Smithtown NY
Today
High: 62 °F
Sunny
Tonight
Low: 44 °F
Mostly Clear
Monday
High: 58 °F
Mostly Sunny
and BreezyMonday Night
Low: 41 °F
Mostly Clear
Tuesday
High: 60 °F
Mostly Sunny
Tuesday Night
Low: 43 °F
Mostly Clear
Veterans Day
High: 60 °F
Sunny
Wednesday Night
Low: 41 °F
Partly Cloudy
Thursday
High: 56 °F
Partly Sunny
Detailed Forecast
Today
Sunny, with a high near 62. West wind 13 to 18 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 44. West wind 10 to 14 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 58. Breezy, with a northwest wind 14 to 22 mph.
Monday Night
Mostly clear, with a low around 41. West wind 7 to 14 mph.
Tuesday
Mostly sunny, with a high near 60. West wind 7 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 43.
Veterans Day
Sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Partly sunny, with a high near 56.
Thursday Night
Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 49.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 34.
Saturday
Partly sunny, with a high near 50.
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)
5:44 am EST Nov 8, 2026
10am EST Nov 8, 2026-6pm EST Nov 14, 2026
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