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Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fair
84°F
29°C
| Humidity | 70% |
| Wind Speed | SW 7 mph |
| Barometer | 29.83 in (1010.0 mb) |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 90°F (32°C) |
| Last update | 19 Jun 9:56 am EDT |
Extended Forecast for
East Setauket NY
Juneteenth
High: 89 °F
Mostly Sunny
then Chance
T-stormsTonight
Low: 69 °F
Chance
T-storms then
Chance
ShowersFriday
High: 83 °F
Sunny
Friday Night
Low: 66 °F
Mostly Clear
Saturday
High: 86 °F
Mostly Sunny
Saturday Night
Low: 68 °F
Mostly Cloudy
Sunday
High: 84 °F
Partly Sunny
Sunday Night
Low: 69 °F
Partly Cloudy
Monday
High: 89 °F
Sunny
Detailed Forecast
Juneteenth
A chance of thunderstorms after 5pm. Sunny, with a high near 89. South wind 8 to 15 mph. Chance of precipitation is 30%.
Tonight
A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 69. Southwest wind 11 to 17 mph, with gusts as high as 29 mph.
Friday
Sunny, with a high near 83. West wind 10 to 14 mph.
Friday Night
Mostly clear, with a low around 66. West wind 5 to 7 mph.
Saturday
Mostly sunny, with a high near 86. Southwest wind 5 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 68.
Sunday
Partly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 69.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny, with a high near 89.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
East Setauket NY
40.94°N 73.11°W (Elev. 52 ft)
40.94°N 73.11°W (Elev. 52 ft)
9:51 am EDT Jun 19, 2025
10am EDT Jun 19, 2025-6pm EDT Jun 25, 2025
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