Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds and Breezy
49°F
9°C
| Humidity | 23% |
| Wind Speed | NW 23 G 36 mph |
| Barometer | 30.21 in (1023.2 mb) |
| Dewpoint | 13°F (-11°C) |
| Visibility | 10.00 mi |
| Wind Chill | 42°F (6°C) |
| Last update | 7 Apr 4:56 pm EDT |
Extended Forecast for
2 Miles NNW Stony Brook NY
Tonight
Low: 29 °F
Clear
Wednesday
High: 48 °F
Sunny
Wednesday Night
Low: 33 °F
Mostly Clear
Thursday
High: 52 °F
Mostly Sunny
Thursday Night
Low: 39 °F
Partly Cloudy
Friday
High: 59 °F
Mostly Sunny
Friday Night
Low: 46 °F
Mostly Cloudy
Saturday
High: 59 °F
Sunny
Saturday Night
Low: 42 °F
Clear
Detailed Forecast
Tonight
Clear, with a low around 29. North wind 13 to 16 mph, with gusts as high as 26 mph.
Wednesday
Sunny, with a high near 48. Wind chill values between 25 and 35 early. Northeast wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 33. South wind around 6 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 52. Southeast wind 3 to 8 mph.
Thursday Night
Partly cloudy, with a low around 39. South wind around 6 mph becoming calm after midnight.
Friday
Mostly sunny, with a high near 59.
Friday Night
Mostly cloudy, with a low around 46.
Saturday
Sunny, with a high near 59.
Saturday Night
Clear, with a low around 42.
Sunday
Sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 66.
Monday Night
Mostly cloudy, with a low around 55.
Tuesday
Partly sunny, with a high near 70.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
2:35 pm EDT Apr 7, 2026
5pm EDT Apr 7, 2026-6pm EDT Apr 14, 2026
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