Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds
16°F
-9°C
| Humidity | 49% |
| Wind Speed | W 14 mph |
| Barometer | 30.10 in (1019.5 mb) |
| Dewpoint | 0°F (-18°C) |
| Visibility | 10.00 mi |
| Wind Chill | 2°F (-17°C) |
| Last update | 27 Jan 8:56 am EST |
Extended Forecast for
2 Miles NNW Stony Brook NY
Today

High: 22 °F
Chance
FlurriesTonight

Low: 14 °F
Mostly Clear
Wednesday

High: 24 °F
Mostly Sunny
Wednesday Night

Low: 12 °F
Mostly Cloudy
Thursday

High: 22 °F
Mostly Sunny
Thursday Night

Low: 9 °F
Mostly Clear
Friday

High: 20 °F
Cold
Friday Night

Low: 8 °F
Partly Cloudy
Saturday

High: 24 °F
Mostly Sunny
Detailed Forecast
Today
A chance of flurries after 1pm. Increasing clouds, with a high near 22. Wind chill values between 5 and 10. West wind 13 to 18 mph, with gusts as high as 28 mph.
Tonight
Mostly clear, with a low around 14. Wind chill values between zero and 5. West wind around 15 mph.
Wednesday
Mostly sunny, with a high near 24. Wind chill values between zero and 10. West wind 7 to 11 mph.
Wednesday Night
Mostly cloudy, with a low around 12. Wind chill values between 5 and 10. West wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 22. Northwest wind 9 to 13 mph.
Thursday Night
Mostly clear, with a low around 9.
Friday
Mostly sunny and cold, with a high near 20.
Friday Night
Partly cloudy, with a low around 8.
Saturday
Mostly sunny, with a high near 24.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 16.
Sunday
A 50 percent chance of snow. Mostly cloudy, with a high near 29. Blustery.
Sunday Night
Mostly cloudy, with a low around 20. Blustery.
Monday
Mostly sunny, with a high near 31.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles NNW Stony Brook NY
40.92°N 73.15°W (Elev. 36 ft)
40.92°N 73.15°W (Elev. 36 ft)
8:57 am EST Jan 27, 2026
9am EST Jan 27, 2026-6pm EST Feb 2, 2026



