Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Partly Cloudy
80°F
27°C
| Humidity | 67% |
| Wind Speed | S 5 mph |
| Barometer | 30.13 in (1020.2 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Heat Index | 83°F (28°C) |
| Last update | 16 Aug 12:56 pm EDT |
Extended Forecast for
East Setauket NY
This Afternoon
High: 84 °F
Mostly Sunny
Tonight
Low: 69 °F
Partly Cloudy
Sunday
High: 88 °F
Sunny
Sunday Night
Low: 66 °F
Chance
ShowersMonday
High: 79 °F
Slight Chance
ShowersMonday Night
Low: 63 °F
Partly Cloudy
Tuesday
High: 78 °F
Mostly Sunny
Tuesday Night
Low: 64 °F
Partly Cloudy
then Chance
ShowersWednesday
High: 79 °F
Chance
Showers
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 84. South wind around 6 mph.
Tonight
Partly cloudy, with a low around 69. South wind around 6 mph.
Sunday
Sunny, with a high near 88. Southwest wind 6 to 9 mph.
Sunday Night
A 30 percent chance of showers, mainly before 2am. Partly cloudy, with a low around 66. South wind 7 to 9 mph becoming north after midnight.
Monday
A 20 percent chance of showers before 2pm. Partly sunny, with a high near 79. Northeast wind 10 to 13 mph.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 64.
Wednesday
A 30 percent chance of showers before 2pm. Partly sunny, with a high near 79.
Wednesday Night
Mostly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Sunny, with a high near 83.
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)
6:08 am EDT Aug 16, 2025
1pm EDT Aug 16, 2025-6pm EDT Aug 22, 2025
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