Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Overcast
28°F
-2°C
| Humidity | 51% |
| Wind Speed | W 6 mph |
| Barometer | 29.99 in (1015.8 mb) |
| Dewpoint | 12°F (-11°C) |
| Visibility | 10.00 mi |
| Wind Chill | 21°F (-6°C) |
| Last update | 3 Jan 6:56 pm EST |
Extended Forecast for
Nissequogue NY
Tonight
Low: 24 °F
Cloudy then
Slight Chance
Light SnowSunday
High: 34 °F
Gradual
ClearingSunday Night
Low: 20 °F
Partly Cloudy
Monday
High: 35 °F
Mostly Cloudy
then Chance
Light SnowMonday Night
Low: 29 °F
Chance Light
SnowTuesday
High: 39 °F
Mostly Cloudy
Tuesday Night
Low: 33 °F
Cloudy then
Chance RainWednesday
High: 44 °F
Chance Rain
Wednesday Night
Low: 33 °F
Partly Cloudy
Detailed Forecast
Tonight
A 20 percent chance of light snow after 1am. Cloudy, with a low around 24. West wind around 5 mph becoming north after midnight.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 34. Wind chill values between 20 and 25. Light north wind becoming northwest 6 to 11 mph in the morning.
Sunday Night
Partly cloudy, with a low around 20. Wind chill values between 10 and 15. Northwest wind 7 to 10 mph.
Monday
A 30 percent chance of light snow, mainly after 4pm. Mostly cloudy, with a high near 35. Wind chill values between 15 and 25. Calm wind becoming south 5 to 8 mph in the afternoon.
Monday Night
A 30 percent chance of light snow, mainly before 10pm. Cloudy, with a low around 29. South wind 5 to 7 mph becoming calm in the evening.
Tuesday
Mostly cloudy, with a high near 39.
Tuesday Night
A 40 percent chance of rain after 1am. Cloudy, with a low around 33.
Wednesday
A 30 percent chance of rain before 1pm. Mostly cloudy, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 45.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 35.
Friday
A 40 percent chance of rain. Cloudy, with a high near 47.
Friday Night
A 40 percent chance of rain. Cloudy, with a low around 38.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 49.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Nissequogue NY
40.9°N 73.18°W (Elev. 7 ft)
40.9°N 73.18°W (Elev. 7 ft)
3:26 pm EST Jan 3, 2026
7pm EST Jan 3, 2026-6pm EST Jan 10, 2026
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