Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Partly Cloudy
51°F
11°C
| Humidity | 43% |
| Wind Speed | SE 9 mph |
| Barometer | 30.54 in (1034.1 mb) |
| Dewpoint | 29°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 48°F (9°C) |
| Last update | 12 Apr 10:56 am EDT |
Extended Forecast for
2 Miles NNW Stony Brook NY
Today
High: 55 °F
Increasing
CloudsTonight
Low: 45 °F
Mostly Cloudy
Monday
High: 68 °F
Mostly Cloudy
then Slight
Chance
ShowersMonday Night
Low: 54 °F
Partly Cloudy
Tuesday
High: 76 °F
Mostly Sunny
Tuesday Night
Low: 57 °F
Mostly Cloudy
Wednesday
High: 81 °F
Mostly Sunny
Wednesday Night
Low: 59 °F
Chance
ShowersThursday
High: 80 °F
Partly Sunny
Detailed Forecast
Today
Increasing clouds, with a high near 55. East wind 5 to 9 mph becoming south in the afternoon.
Tonight
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 68. Southwest wind 13 to 15 mph.
Monday Night
Partly cloudy, with a low around 54. West wind 7 to 14 mph.
Tuesday
Mostly sunny, with a high near 76. Southwest wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 80.
Thursday Night
Mostly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Mostly sunny, 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)
10:30 am EDT Apr 12, 2026
11am EDT Apr 12, 2026-6pm EDT Apr 18, 2026
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