Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds
52°F
11°C
| Humidity | 53% |
| Wind Speed | N 12 G 22 mph |
| Barometer | 30.13 in (1020.3 mb) |
| Dewpoint | 35°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 48°F (9°C) |
| Last update | 6 Oct 8:56 am EDT |
Extended Forecast for
Sayville NY
Today
High: 63 °F
Sunny
Tonight
Low: 41 °F
Mostly Clear
Wednesday
High: 66 °F
Sunny
Wednesday Night
Low: 57 °F
Mostly Clear
Thursday
High: 72 °F
Sunny
Thursday Night
Low: 56 °F
Mostly Clear
Friday
High: 68 °F
Sunny
Friday Night
Low: 54 °F
Mostly Clear
Saturday
High: 67 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 63. Northwest wind 11 to 14 mph.
Tonight
Mostly clear, with a low around 41. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 66. Light southwest wind increasing to 6 to 11 mph in the morning.
Wednesday Night
Mostly clear, with a low around 57. Southwest wind around 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 72. Southwest wind around 10 mph.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 67.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 58.
Columbus Day
A 40 percent chance of showers. Mostly cloudy, with a high near 68.
Additional Forecasts and Information
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Point Forecast:
Sayville NY
40.76°N 73.09°W (Elev. 49 ft)
40.76°N 73.09°W (Elev. 49 ft)
3:07 am EDT Oct 6, 2026
9am EDT Oct 6, 2026-6pm EDT Oct 12, 2026
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