Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Partly Cloudy
29°F
-2°C
| Humidity | 47% |
| Wind Speed | W 15 G 26 mph |
| Barometer | 29.85 in (1011.0 mb) |
| Dewpoint | 11°F (-12°C) |
| Visibility | 10.00 mi |
| Wind Chill | 18°F (-8°C) |
| Last update | 24 Feb 12:56 pm EST |
Extended Forecast for
Sayville NY
This Afternoon
High: 33 °F
Partly Sunny
Tonight
Low: 23 °F⇑
Mostly Clear
then Rain
LikelyWednesday
High: 40 °F
Rain/Snow
then Chance
Rain/SnowWednesday Night
Low: 30 °F
Partly Cloudy
Thursday
High: 37 °F
Mostly Sunny
then Chance
SnowThursday Night
Low: 26 °F
Chance Snow
Friday
High: 37 °F
Mostly Sunny
Friday Night
Low: 29 °F
Partly Cloudy
Saturday
High: 43 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Sunny early, then becoming partly sunny, with a high near 33. Wind chill values between 20 and 25. Northwest wind around 17 mph, with gusts as high as 28 mph.
Tonight
Rain likely after 4am. Increasing clouds, with a temperature falling to near 23 by 10pm, then rising to around 34 during the remainder of the night. Wind chill values between 15 and 20. West wind 7 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Wednesday
Rain and snow, mainly before 1pm. High near 40. Wind chill values between 25 and 35. Southwest wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around 30. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Thursday
A 30 percent chance of snow, mainly after 4pm. Partly sunny, with a high near 37. West wind around 7 mph.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 26.
Friday
Mostly sunny, with a high near 37.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Partly sunny, with a high near 40.
Sunday Night
Partly cloudy, with a low around 20.
Monday
A 40 percent chance of snow. Partly sunny, with a high near 30.
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)
1:21 pm EST Feb 24, 2026
1pm EST Feb 24, 2026-6pm EST Mar 2, 2026
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