Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds
26°F
-3°C
| Humidity | 84% |
| Wind Speed | N 8 mph |
| Barometer | 30.21 in (1023.0 mb) |
| Dewpoint | 22°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 18°F (-8°C) |
| Last update | 27 Dec 9:56 pm EST |
Extended Forecast for
5 Miles SSE Blue Point NY
Tonight
Low: 27 °F
Mostly Clear
Sunday
High: 45 °F
Mostly Sunny
then Slight
Chance RainSunday Night
Low: 41 °F⇑
Rain and
BreezyMonday
High: 50 °F
Rain and
WindyMonday Night
Low: 30 °F
Slight Chance
Rain/Snow and
Very WindyTuesday
High: 33 °F
Mostly Cloudy
and WindyTuesday Night
Low: 29 °F
Mostly Cloudy
and WindyWednesday
High: 36 °F
Mostly Sunny
and WindyWednesday Night
Low: 30 °F
Mostly Cloudy
and Windy
Detailed Forecast
Tonight
Mostly clear, with a low around 27. Wind chill values between 20 and 25. North wind around 9 mph.
Sunday
A 20 percent chance of rain after 4pm. Increasing clouds, with a high near 45. Wind chill values between 20 and 30 early. Northwest wind 7 to 10 mph becoming southwest in the afternoon.
Sunday Night
Rain, mainly after 7pm. Temperature rising to around 46 by 4am. Breezy, with a southwest wind 13 to 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain. High near 50. Windy, with a southwest wind 22 to 29 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A slight chance of rain showers before 10pm, then a slight chance of snow showers between 10pm and 1am. Mostly cloudy, with a low around 30. Very windy, with a west wind 38 to 40 mph. Chance of precipitation is 20%.
Tuesday
Mostly cloudy, with a high near 33. Windy.
Tuesday Night
Mostly cloudy, with a low around 29. Windy.
Wednesday
Mostly sunny, with a high near 36. Windy.
Wednesday Night
Mostly cloudy, with a low around 30. Windy.
New Year's Day
A 30 percent chance of snow. Mostly cloudy, with a high near 36. Breezy.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 35.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
12:59 pm EST Dec 27, 2025
10pm EST Dec 27, 2025-6pm EST Jan 3, 2026
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