Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Partly Cloudy
83°F
28°C
| Humidity | 40% |
| Wind Speed | W 18 G 31 mph |
| Barometer | 29.89 in (1012.1 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 10.00 mi |
| Heat Index | 82°F (28°C) |
| Last update | 20 Jun 1:56 pm EDT |
Extended Forecast for
East Setauket NY
Extreme Heat Watch June 22, 12:00pm until June 24, 08:00pm
This Afternoon
High: 85 °F
Sunny and
BreezyTonight
Low: 67 °F
Mostly Clear
Saturday
High: 87 °F
Slight Chance
T-storms then
Mostly SunnySaturday Night
Low: 69 °F
Mostly Clear
Sunday
High: 93 °F
Sunny
Sunday Night
Low: 72 °F
Mostly Clear
Monday
High: 92 °F
Sunny
Monday Night
Low: 72 °F
Partly Cloudy
Tuesday
High: 94 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 85. Breezy, with a west wind around 21 mph.
Tonight
Mostly clear, with a low around 67. West wind 5 to 10 mph becoming light after midnight.
Saturday
A 20 percent chance of showers and thunderstorms before noon. Mostly sunny, with a high near 87. West wind 5 to 8 mph.
Saturday Night
Mostly clear, with a low around 69. South wind around 7 mph.
Sunday
Sunny, with a high near 93. West wind 10 to 15 mph.
Sunday Night
Mostly clear, with a low around 72.
Monday
Sunny, with a high near 92.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
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)
7:32 am EDT Jun 20, 2025
2pm EDT Jun 20, 2025-6pm EDT Jun 26, 2025
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