Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Overcast
61°F
16°C
| Humidity | 97% |
| Wind Speed | SW 8 mph |
| Barometer | 29.82 in (1009.9 mb) |
| Dewpoint | 60°F (16°C) |
| Visibility | 9.00 mi |
| Last update | 6 Nov 11:56 pm EST |
Extended Forecast for
Head of the Harbor NY
Overnight
Low: 56 °F
Chance Rain
Saturday
High: 64 °F
Sunny
Saturday Night
Low: 44 °F
Mostly Clear
Sunday
High: 60 °F
Sunny
Sunday Night
Low: 45 °F
Mostly Clear
Monday
High: 58 °F
Sunny
Monday Night
Low: 42 °F
Mostly Clear
Tuesday
High: 61 °F
Mostly Sunny
Tuesday Night
Low: 44 °F
Mostly Clear
Detailed Forecast
Overnight
A 40 percent chance of rain before 1am. Mostly cloudy, with a low around 56. West wind 3 to 5 mph.
Saturday
Sunny, with a high near 64. West wind 6 to 11 mph.
Saturday Night
Mostly clear, with a low around 44. West wind around 15 mph.
Sunday
Sunny, with a high near 60. West wind 10 to 14 mph.
Sunday Night
Mostly clear, with a low around 45. West wind around 11 mph.
Monday
Sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 44.
Veterans Day
Mostly sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Mostly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 51.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Head of the Harbor NY
40.9°N 73.15°W (Elev. 157 ft)
40.9°N 73.15°W (Elev. 157 ft)
7:33 pm EST Nov 6, 2026
12am EST Nov 7, 2026-6pm EST Nov 13, 2026
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