Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds
56°F
13°C
| Humidity | 37% |
| Wind Speed | N 18 G 29 mph |
| Barometer | 30.23 in (1023.5 mb) |
| Dewpoint | 30°F (-1°C) |
| Visibility | 10.00 mi |
| Last update | 11 Apr 11:56 am EDT |
Extended Forecast for
2 Miles NNW Stony Brook NY
This Afternoon
High: 57 °F
Sunny and
BreezyTonight
Low: 38 °F
Clear
Sunday
High: 55 °F
Increasing
CloudsSunday Night
Low: 45 °F
Mostly Cloudy
Monday
High: 66 °F
Partly Sunny
then Slight
Chance
ShowersMonday Night
Low: 55 °F
Decreasing
CloudsTuesday
High: 76 °F
Partly Sunny
Tuesday Night
Low: 56 °F
Mostly Cloudy
Wednesday
High: 80 °F
Partly Sunny
Detailed Forecast
This Afternoon
Sunny, with a steady temperature around 57. Breezy, with a northwest wind 16 to 20 mph.
Tonight
Clear, with a low around 38. North wind 6 to 10 mph.
Sunday
Increasing clouds, with a high near 55. Calm wind becoming south 5 to 7 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 45. South wind 8 to 10 mph.
Monday
A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 66. Southwest wind 13 to 15 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 55.
Tuesday
Partly sunny, with a high near 76.
Tuesday Night
Mostly cloudy, with a low around 56.
Wednesday
Partly sunny, with a high near 80.
Wednesday Night
Mostly cloudy, with a low around 58.
Thursday
Partly sunny, with a high near 77.
Thursday Night
Mostly cloudy, with a low around 55.
Friday
Mostly cloudy, with a high near 68.
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)
9:18 am EDT Apr 11, 2026
12pm EDT Apr 11, 2026-6pm EDT Apr 17, 2026
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