News Headlines
Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fair
71°F
22°C
| Humidity | 76% |
| Wind Speed | Calm |
| Barometer | 30.03 in (1016.8 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 21 Jun 3:56 am EDT |
Extended Forecast for
East Setauket NY
Extreme Heat Watch June 22, 12:00pm until June 24, 08:00pm
Today
High: 84 °F
Sunny
Tonight
Low: 71 °F
Partly Cloudy
Sunday
High: 89 °F
Slight Chance
T-stormsSunday Night
Low: 75 °F
Mostly Clear
Monday
High: 93 °F
Sunny
Monday Night
Low: 74 °F
Mostly Clear
Tuesday
High: 93 °F
Sunny
Tuesday Night
Low: 75 °F
Partly Cloudy
Wednesday
High: 86 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 84. West wind 3 to 6 mph.
Tonight
Partly cloudy, with a low around 71. South wind around 8 mph.
Sunday
A 20 percent chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 89. Southwest wind 11 to 13 mph.
Sunday Night
Mostly clear, with a low around 75. West wind 6 to 10 mph.
Monday
Sunny, with a high near 93. Northwest wind around 6 mph.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 75.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Mostly cloudy, with a low around 68.
Thursday
Partly sunny, with a high near 79.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
East Setauket NY
40.94°N 73.14°W (Elev. 0 ft)
40.94°N 73.14°W (Elev. 0 ft)
3:17 am EDT Jun 21, 2025
4am EDT Jun 21, 2025-6pm EDT Jun 27, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
