Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds
50°F
10°C
| Humidity | 57% |
| Wind Speed | NW 13 mph |
| Barometer | 30.10 in (1019.2 mb) |
| Dewpoint | 35°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 45°F (7°C) |
| Last update | 6 Oct 6:56 am EDT |
Extended Forecast for
Sayville NY
Today

High: 63 °F
Sunny
Tonight

Low: 42 °F
Mostly Clear
Wednesday

High: 65 °F
Sunny
Wednesday Night

Low: 59 °F
Mostly Clear
Thursday

High: 71 °F
Sunny
Thursday Night

Low: 57 °F
Mostly Clear
Friday

High: 67 °F
Sunny
Friday Night

Low: 55 °F
Mostly Clear
Saturday

High: 66 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 63. Northwest wind 10 to 14 mph.
Tonight
Mostly clear, with a low around 42. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 65. Light southwest wind increasing to 8 to 13 mph in the morning.
Wednesday Night
Mostly clear, with a low around 59. Southwest wind around 14 mph.
Thursday
Sunny, with a high near 71. Southwest wind 11 to 13 mph.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 59.
Columbus Day
A 40 percent chance of showers. Mostly cloudy, with a high near 68.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Sayville NY
40.73°N 73.07°W (Elev. 16 ft)
40.73°N 73.07°W (Elev. 16 ft)
3:07 am EDT Oct 6, 2026
7am EDT Oct 6, 2026-6pm EDT Oct 12, 2026


