Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Partly Cloudy
22°F
-6°C
| Humidity | 82% |
| Wind Speed | NW 7 mph |
| Barometer | 30.20 in (1022.8 mb) |
| Dewpoint | 17°F (-8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 13°F (-11°C) |
| Last update | 28 Dec 6:56 am EST |
Extended Forecast for
Sayville NY
Today
High: 40 °F
Mostly Sunny
then Slight
Chance RainTonight
Low: 35 °F⇑
Rain
Monday
High: 51 °F
Rain
Monday Night
Low: 26 °F
Mostly Clear
and BreezyTuesday
High: 34 °F
Mostly Cloudy
and BreezyTuesday Night
Low: 26 °F
Mostly Cloudy
and Breezy
then Mostly
CloudyWednesday
High: 37 °F
Partly Sunny
Wednesday Night
Low: 25 °F
Mostly Cloudy
New Year's Day
High: 34 °F
Chance Snow
then Chance
Rain/Snow
Detailed Forecast
Today
A 20 percent chance of rain after 4pm. Increasing clouds, with a high near 40. Wind chill values between 15 and 25. Northwest wind 6 to 9 mph becoming southwest in the afternoon.
Tonight
Rain, mainly before 4am. Temperature rising to around 44 by 3am. South wind 9 to 15 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain, mainly after 7am. High near 51. Southwest wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Mostly cloudy during the early evening, then becoming mostly clear, with a low around 26. Wind chill values between 15 and 20. Breezy, with a west wind 21 to 23 mph, with gusts as high as 36 mph.
Tuesday
Mostly cloudy, with a high near 34. Breezy, with a west wind 20 to 23 mph, with gusts as high as 39 mph.
Tuesday Night
Mostly cloudy, with a low around 26. Breezy.
Wednesday
Partly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 25.
New Year's Day
A chance of snow before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 22.
Friday
Mostly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 37.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Sayville NY
40.73°N 73.07°W (Elev. 16 ft)
40.73°N 73.07°W (Elev. 16 ft)
1:17 am EST Dec 28, 2025
7am EST Dec 28, 2025-6pm EST Jan 3, 2026
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