Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fog
48°F
9°C
| Humidity | 100% |
| Wind Speed | W 6 mph |
| Barometer | 29.73 in (1006.8 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | 0.25 mi |
| Wind Chill | 45°F (7°C) |
| Last update | 24 Mar 7:56 pm EDT |
Extended Forecast for
Stony Brook NY
Tonight
Low: 39 °F
Mostly Cloudy
Tuesday
High: 57 °F
Sunny
Tuesday Night
Low: 38 °F
Partly Cloudy
then Chance
RainWednesday
High: 50 °F
Slight Chance
Rain then
Partly SunnyWednesday Night
Low: 32 °F
Partly Cloudy
Thursday
High: 51 °F
Sunny
Thursday Night
Low: 37 °F
Partly Cloudy
Friday
High: 55 °F
Partly Sunny
Friday Night
Low: 40 °F
Mostly Cloudy
then Chance
Rain
Detailed Forecast
Tonight
Mostly cloudy, with a low around 39. Southwest wind around 8 mph.
Tuesday
Sunny, with a high near 57. West wind 9 to 14 mph.
Tuesday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 38. Southwest wind 5 to 7 mph becoming calm after midnight.
Wednesday
A 20 percent chance of rain before noon. Partly sunny, with a high near 50. West wind 8 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 32. Northwest wind 9 to 14 mph.
Thursday
Sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Partly sunny, with a high near 55.
Friday Night
A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 40.
Saturday
A 30 percent chance of rain before 2pm. Mostly cloudy, with a high near 52.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 39.
Sunday
A 30 percent chance of rain. Mostly cloudy, with a high near 54.
Sunday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 41.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 57.
Additional Forecasts and Information
ABOUT 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)
5:43 pm EDT Mar 24, 2025
8pm EDT Mar 24, 2025-6pm EDT Mar 31, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
