Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds
27°F
-3°C
| Humidity | 53% |
| Wind Speed | NW 14 mph |
| Barometer | 29.87 in (1011.7 mb) |
| Dewpoint | 12°F (-11°C) |
| Visibility | 10.00 mi |
| Wind Chill | 16°F (-9°C) |
| Last update | 24 Feb 10:56 am EST |
Extended Forecast for
Bayport NY
Today

High: 33 °F
Partly Sunny
and BreezyTonight
Low: 21 °F⇑
Mostly Clear
then Snow
LikelyWednesday

High: 40 °F
Rain/Snow
LikelyWednesday Night

Low: 29 °F
Partly Cloudy
Thursday
High: 37 °F
Slight Chance
Snow then
Chance
Rain/SnowThursday Night

Low: 28 °F
Snow Likely
Friday

High: 36 °F
Mostly Sunny
Friday Night

Low: 28 °F
Mostly Clear
Saturday

High: 41 °F
Mostly Sunny
Detailed Forecast
Today
Sunny early, then becoming partly sunny, with a high near 33. Wind chill values between 15 and 20. Breezy, with a northwest wind 17 to 20 mph, with gusts as high as 30 mph.
Tonight
Snow likely after 4am. Increasing clouds, with a temperature falling to near 21 by 10pm, then rising to around 32 during the remainder of the night. Wind chill values between 10 and 15. West wind 6 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday
Snow likely, mixing with rain after 10am, then gradually ending. Cloudy, then gradually becoming mostly sunny, with a high near 40. Wind chill values between 25 and 30. Southwest wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around 29. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.
Thursday
A slight chance of snow before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 37. Southwest wind 6 to 8 mph. Chance of precipitation is 50%.
Thursday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Mostly sunny, with a high near 36.
Friday Night
Mostly clear, with a low around 28.
Saturday
Mostly sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 38.
Sunday Night
Partly cloudy, with a low around 18.
Monday
A 30 percent chance of snow. Mostly sunny, with a high near 30.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Bayport NY
40.73°N 73.04°W (Elev. 0 ft)
40.73°N 73.04°W (Elev. 0 ft)
10:52 am EST Feb 24, 2026
11am EST Feb 24, 2026-6pm EST Mar 2, 2026



