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Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds
70°F
21°C
| Humidity | 42% |
| Wind Speed | SW 14 mph |
| Barometer | 30.29 in (1025.6 mb) |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 3 Oct 2:56 pm EDT |
Extended Forecast for
Sayville NY
Tonight
Low: 53 °F
Clear
Saturday
High: 78 °F
Sunny
Saturday Night
Low: 60 °F
Mostly Clear
Sunday
High: 78 °F
Patchy Fog
then SunnySunday Night
Low: 58 °F
Mostly Clear
Monday
High: 75 °F
Sunny
Monday Night
Low: 61 °F
Mostly Clear
Tuesday
High: 75 °F
Mostly Sunny
Tuesday Night
Low: 60 °F
Chance
Showers then
Showers
Likely
Detailed Forecast
Tonight
Clear, with a low around 53. West wind 7 to 10 mph.
Saturday
Sunny, with a high near 78. Southwest wind 6 to 8 mph.
Saturday Night
Mostly clear, with a low around 60. Southwest wind around 6 mph becoming calm in the evening.
Sunday
Patchy fog before 7am. Otherwise, sunny, with a high near 78. Calm wind becoming south 5 to 7 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 58. Southwest wind around 6 mph.
Monday
Sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Wednesday
Showers likely. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 50.
Thursday
Sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 66.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Sayville NY
40.74°N 73.1°W (Elev. 30 ft)
40.74°N 73.1°W (Elev. 30 ft)
2:14 pm EDT Oct 3, 2025
3pm EDT Oct 3, 2025-6pm EDT Oct 10, 2025
Additional Resources
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Hourly Weather Forecast
