Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Mostly Cloudy
80°F
27°C
| Humidity | 56% |
| Wind Speed | SE 12 mph |
| Barometer | 30.30 in (1026.1 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 5 Aug 4:56 pm EDT |
Extended Forecast for
Nissequogue NY
Tonight
Low: 67 °F
Haze
Wednesday
High: 81 °F
Haze
Wednesday Night
Low: 67 °F
Mostly Cloudy
Thursday
High: 80 °F
Mostly Sunny
Thursday Night
Low: 64 °F
Mostly Clear
Friday
High: 82 °F
Sunny
Friday Night
Low: 65 °F
Mostly Clear
Saturday
High: 83 °F
Sunny
Saturday Night
Low: 66 °F
Mostly Clear
Detailed Forecast
Tonight
Widespread haze. Mostly cloudy, with a low around 67. East wind around 6 mph.
Wednesday
Widespread haze before 2pm. Mostly cloudy, with a high near 81. East wind 7 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 67. Southeast wind around 6 mph.
Thursday
Mostly sunny, with a high near 80. East wind 7 to 9 mph.
Thursday Night
Mostly clear, with a low around 64. East wind 3 to 6 mph.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 70.
Monday
Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 71.
Tuesday
Mostly sunny, with a high near 89.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Nissequogue NY
40.9°N 73.18°W (Elev. 7 ft)
40.9°N 73.18°W (Elev. 7 ft)
1:45 pm EDT Aug 5, 2025
5pm EDT Aug 5, 2025-6pm EDT Aug 12, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
