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Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Mostly Cloudy
39°F
4°C
| Humidity | 60% |
| Wind Speed | SW 16 G 25 mph |
| Barometer | 29.98 in (1015.2 mb) |
| Dewpoint | 26°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 30°F (-1°C) |
| Last update | 9 Dec 8:56 pm EST |
Extended Forecast for
5 Miles SSE Blue Point NY
Tonight

Low: 40 °F
Mostly Cloudy
and WindyWednesday
High: 50 °F
Windy. Partly
Sunny then
Rain LikelyWednesday Night

Low: 33 °F
Chance Rain
and WindyThursday

High: 38 °F
Mostly Sunny
and WindyThursday Night

Low: 26 °F
Partly Cloudy
and WindyFriday

High: 37 °F
Mostly Sunny
and BreezyFriday Night
Low: 28 °F
Mostly Cloudy
then Chance
Light SnowSaturday

High: 42 °F
Mostly Cloudy
and BreezySaturday Night
Low: 30 °F
Mostly Cloudy
and Breezy
then Chance
Snow
Detailed Forecast
Tonight
Mostly cloudy, with a steady temperature around 40. Windy, with a southwest wind around 26 mph.
Wednesday
Rain likely after 1pm. Increasing clouds, with a high near 50. Windy, with a southwest wind 25 to 32 mph, with gusts as high as 44 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 50 percent chance of rain before 1am. Mostly cloudy, with a low around 33. Windy, with a southwest wind 28 to 32 mph.
Thursday
Mostly sunny, with a high near 38. Wind chill values between 20 and 25. Windy, with a west wind 28 to 30 mph.
Thursday Night
Partly cloudy, with a low around 26. Windy, with a west wind 28 to 34 mph.
Friday
Mostly sunny, with a high near 37. Breezy.
Friday Night
A 30 percent chance of light snow after 1am. Mostly cloudy, with a low around 28.
Saturday
Mostly cloudy, with a high near 42. Breezy.
Saturday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 30. Breezy.
Sunday
A chance of rain and snow before 3pm, then a chance of snow. Mostly cloudy, with a high near 39. Breezy. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 20. Windy.
Monday
Mostly sunny, with a high near 32. Breezy.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 35.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
5 Miles SSE Blue Point NY
40.68°N 72.99°W (Elev. 0 ft)
40.68°N 72.99°W (Elev. 0 ft)
5:42 pm EST Dec 9, 2025
9pm EST Dec 9, 2025-6pm EST Dec 16, 2025


