


Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds and Breezy
82°F
28°C
Humidity | 41% |
Wind Speed | W 22 G 32 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 12:56 pm EDT |
Extended Forecast for
Sayville NY
This Afternoon
High: 83 °F
Sunny and
BreezyTonight
Low: 65 °F
Mostly Clear
Saturday
High: 82 °F
Slight Chance
T-storms then
Mostly SunnySaturday Night
Low: 67 °F
Mostly Clear
Sunday
High: 88 °F
Sunny
Sunday Night
Low: 70 °F
Mostly Clear
Monday
High: 88 °F
Sunny
Monday Night
Low: 70 °F
Partly Cloudy
Tuesday
High: 90 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 83. Breezy, with a west wind around 20 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 65. West wind 5 to 9 mph becoming light after midnight.
Saturday
A 20 percent chance of showers and thunderstorms before noon. Mostly sunny, with a high near 82. West wind 5 to 11 mph.
Saturday Night
Mostly clear, with a low around 67. South wind around 8 mph.
Sunday
Sunny, with a high near 88. Southwest wind 11 to 16 mph.
Sunday Night
Mostly clear, with a low around 70.
Monday
Sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
Partly sunny, with a high near 78.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Sayville NY
40.76°N 73.07°W (Elev. 30 ft)
40.76°N 73.07°W (Elev. 30 ft)
7:32 am EDT Jun 20, 2025
1pm EDT Jun 20, 2025-6pm EDT Jun 26, 2025