Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Partly Cloudy
75°F
24°C
| Humidity | 58% |
| Wind Speed | N 13 G 20 mph |
| Barometer | 29.83 in (1010.0 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 5 Sep 10:56 am EDT |
Extended Forecast for
2 Miles NNW Stony Brook NY
Today

High: 78 °F
Sunny
Tonight

Low: 61 °F
Scattered
ShowersSunday

High: 73 °F
Sunny
Sunday Night

Low: 60 °F
Mostly Clear
Labor Day

High: 77 °F
Sunny
Monday Night

Low: 62 °F
Mostly Clear
Tuesday

High: 80 °F
Mostly Sunny
Tuesday Night

Low: 65 °F
Mostly Cloudy
Wednesday

High: 80 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 78. North wind 5 to 8 mph.
Tonight
Scattered showers before 2am. Mostly cloudy, with a low around 61. Northeast wind around 7 mph. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 73. Northeast wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 60. Calm wind becoming north around 6 mph after midnight.
Labor Day
Sunny, with a high near 77. Northwest wind around 7 mph.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Mostly cloudy, with a low around 65.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Mostly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 75.
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)
2:27 am EDT Sep 5, 2026
11am EDT Sep 5, 2026-6pm EDT Sep 11, 2026


