Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Mostly Cloudy
32°F
0°C
| Humidity | 85% |
| Wind Speed | W 6 mph |
| Barometer | 29.85 in (1010.8 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 8.00 mi |
| Wind Chill | 26°F (-3°C) |
| Last update | 26 Feb 6:56 am EST |
Extended Forecast for
5 Miles SSE Blue Point NY
Today
High: 37 °F
Mostly Sunny
then Slight
Chance
Rain/SnowTonight

Low: 25 °F
Decreasing
CloudsFriday

High: 37 °F
Sunny
Friday Night

Low: 33 °F
Mostly Clear
Saturday

High: 41 °F
Sunny
Saturday Night

Low: 31 °F
Increasing
CloudsSunday
High: 36 °F
Mostly Cloudy
then Gradual
Clearing and
BreezySunday Night

Low: 20 °F
Partly Cloudy
and BlusteryMonday

High: 28 °F
Chance Snow
Detailed Forecast
Today
A slight chance of rain and snow after 1pm. Partly sunny, with a high near 37. Wind chill values between 20 and 30. Northwest wind 6 to 8 mph becoming northeast in the afternoon. Chance of precipitation is 20%.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 25. Wind chill values between 20 and 25. North wind 6 to 8 mph.
Friday
Sunny, with a high near 37. Wind chill values between 20 and 30. Northeast wind 5 to 7 mph becoming south in the afternoon.
Friday Night
Mostly clear, with a low around 33. South wind 7 to 9 mph.
Saturday
Sunny, with a high near 41. Southwest wind 8 to 10 mph.
Saturday Night
Increasing clouds, with a low around 31.
Sunday
Cloudy, then gradual clearing during the afternoon, with a high near 36. Breezy.
Sunday Night
Partly cloudy, with a low around 20. Blustery.
Monday
A 30 percent chance of snow. Mostly cloudy, with a high near 28.
Monday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 23.
Tuesday
A 30 percent chance of snow. Mostly cloudy, with a high near 37.
Tuesday Night
A 50 percent chance of rain. Cloudy, with a low around 31.
Wednesday
A 50 percent chance of rain. Partly sunny, with a high near 40.
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)
6:03 am EST Feb 26, 2026
7am EST Feb 26, 2026-6pm EST Mar 4, 2026



