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Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Light Rain Fog/Mist
60°F
16°C
| Humidity | 93% |
| Wind Speed | E 13 mph |
| Barometer | 30.11 in (1019.7 mb) |
| Dewpoint | 58°F (14°C) |
| Visibility | 5.00 mi |
| Last update | 11 Oct 3:56 pm EDT |
Extended Forecast for
Sayville NY
This Afternoon
High: 61 °F
Rain
Tonight
Low: 56 °F
Rain and
Breezy then
Rain LikelyColumbus Day
High: 70 °F
Chance Rain
then SunnyMonday Night
Low: 56 °F
Mostly Clear
Tuesday
High: 69 °F
Mostly Cloudy
Tuesday Night
Low: 62 °F
Partly Cloudy
Wednesday
High: 75 °F
Mostly Sunny
Wednesday Night
Low: 54 °F
Mostly Cloudy
Thursday
High: 65 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Rain. Steady temperature around 61. East wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain and thunderstorms before 2am, then rain likely and possibly a thunderstorm between 2am and 5am, then a chance of rain and thunderstorms after 5am. Low around 56. Breezy, with a northeast wind 18 to 23 mph decreasing to 10 to 15 mph after midnight. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Columbus Day
A 30 percent chance of rain before 8am. Cloudy through mid morning, then gradual clearing, with a high near 70. Northeast wind 8 to 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 56. Light north wind.
Tuesday
Sunny through mid morning, then becoming mostly cloudy, with a high near 69. Light and variable wind becoming southeast 5 to 8 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
Mostly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 50.
Friday
Showers likely. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 47.
Saturday
Partly sunny, with a high near 57. Breezy.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 54.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Sayville NY
40.76°N 73.09°W (Elev. 49 ft)
40.76°N 73.09°W (Elev. 49 ft)
3:33 pm EDT Oct 11, 2026
4pm EDT Oct 11, 2026-6pm EDT Oct 18, 2026
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