Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fair
62°F
17°C
| Humidity | 86% |
| Wind Speed | Calm |
| Barometer | 30.11 in (1019.6 mb) |
| Dewpoint | 58°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 4 Aug 4:56 am EDT |
Extended Forecast for
Stony Brook NY
Today
High: 89 °F
Haze
Tonight
Low: 68 °F
Haze then
Partly CloudyTuesday
High: 86 °F
Mostly Sunny
Tuesday Night
Low: 67 °F
Mostly Cloudy
Wednesday
High: 83 °F
Partly Sunny
Wednesday Night
Low: 67 °F
Mostly Cloudy
Thursday
High: 81 °F
Mostly Sunny
Thursday Night
Low: 65 °F
Mostly Clear
Friday
High: 82 °F
Sunny
Detailed Forecast
Today
Widespread haze after 7am. Sunny, with a high near 89. Light and variable wind.
Tonight
Widespread haze before midnight. Partly cloudy, with a low around 68. South wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 86. Northeast wind 5 to 7 mph becoming east in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 67. East wind around 6 mph.
Wednesday
Partly sunny, with a high near 83. East wind 7 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 67.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 65.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 86.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Stony Brook NY
40.92°N 73.12°W (Elev. 112 ft)
40.92°N 73.12°W (Elev. 112 ft)
1:58 am EDT Aug 4, 2025
5am EDT Aug 4, 2025-6pm EDT Aug 10, 2025
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