Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds
41°F
5°C
| Humidity | 70% |
| Wind Speed | S 10 mph |
| Barometer | 30.62 in (1037.0 mb) |
| Dewpoint | 32°F (0°C) |
| Visibility | 10.00 mi |
| Wind Chill | 35°F (2°C) |
| Last update | 9 Apr 8:56 am EDT |
Extended Forecast for
2 Miles NNW Stony Brook NY
Today
High: 50 °F
Mostly Sunny
Tonight
Low: 38 °F
Mostly Clear
then Patchy
FogFriday
High: 58 °F
Mostly Sunny
Friday Night
Low: 43 °F
Mostly Cloudy
Saturday
High: 60 °F
Sunny
Saturday Night
Low: 42 °F
Mostly Clear
Sunday
High: 56 °F
Mostly Sunny
Sunday Night
Low: 46 °F
Mostly Cloudy
Monday
High: 66 °F
Mostly Cloudy
Detailed Forecast
Today
Mostly sunny, with a high near 50. South wind 5 to 13 mph.
Tonight
Patchy fog between 4am and 5am. Otherwise, partly cloudy, with a low around 38. Southwest wind 3 to 8 mph.
Friday
Mostly sunny, with a high near 58. Southwest wind 5 to 11 mph.
Friday Night
Mostly cloudy, with a low around 43. South wind 9 to 11 mph.
Saturday
Sunny, with a high near 60. Northwest wind 9 to 11 mph.
Saturday Night
Mostly clear, with a low around 42.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Mostly cloudy, with a high near 66.
Monday Night
Mostly cloudy, with a low around 55.
Tuesday
Partly sunny, with a high near 73.
Tuesday Night
Mostly cloudy, with a low around 57.
Wednesday
Partly sunny, with a high near 73.
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)
6:37 am EDT Apr 9, 2026
9am EDT Apr 9, 2026-6pm EDT Apr 15, 2026
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