News Headlines
Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fair
78°F
26°C
| Humidity | 82% |
| Wind Speed | SW 5 mph |
| Barometer | 29.85 in (1010.8 mb) |
| Dewpoint | 72°F (22°C) |
| Visibility | 9.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 19 Jun 8:56 am EDT |
Extended Forecast for
Sayville NY
Juneteenth
High: 78 °F
Partly Sunny
then Chance
T-stormsTonight
Low: 66 °F
Chance
T-storms and
Breezy then
Chance
ShowersFriday
High: 79 °F
Sunny
Friday Night
Low: 65 °F
Mostly Clear
Saturday
High: 80 °F
Mostly Sunny
Saturday Night
Low: 67 °F
Mostly Cloudy
Sunday
High: 79 °F
Partly Sunny
Sunday Night
Low: 67 °F
Partly Cloudy
Monday
High: 82 °F
Sunny
Detailed Forecast
Juneteenth
A chance of thunderstorms after 5pm. Mostly sunny, with a high near 78. Southwest wind 7 to 16 mph. Chance of precipitation is 30%.
Tonight
A 40 percent chance of showers and thunderstorms before 2am. Cloudy, then gradually becoming partly cloudy, with a low around 66. Breezy, with a southwest wind 10 to 20 mph.
Friday
Sunny, with a high near 79. West wind 11 to 13 mph.
Friday Night
Mostly clear, with a low around 65. Southwest wind 5 to 8 mph.
Saturday
Mostly sunny, with a high near 80. Southwest wind 6 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 67.
Sunday
Partly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 67.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Sunny, with a high near 83.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Sayville NY
40.73°N 73.07°W (Elev. 16 ft)
40.73°N 73.07°W (Elev. 16 ft)
7:33 pm EDT Jun 18, 2025
9am EDT Jun 19, 2025-6pm EDT Jun 25, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
