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 | 45% |
| Wind Speed | W 9 mph |
| Barometer | 29.90 in (1012.5 mb) |
| Dewpoint | 8°F (-13°C) |
| Visibility | 10.00 mi |
| Wind Chill | 18°F (-8°C) |
| Last update | 24 Feb 5:56 pm EST |
Extended Forecast for
Centereach NY
Tonight
Low: 15 °F⇑
Partly Cloudy
then Snow
LikelyWednesday
High: 39 °F
Rain/Snow
then Chance
RainWednesday Night
Low: 29 °F
Partly Cloudy
Thursday
High: 37 °F
Mostly Sunny
then Chance
SnowThursday Night
Low: 24 °F
Chance Snow
Friday
High: 37 °F
Mostly Sunny
Friday Night
Low: 27 °F
Partly Cloudy
Saturday
High: 43 °F
Mostly Sunny
Saturday Night
Low: 29 °F
Partly Cloudy
Detailed Forecast
Tonight
Snow likely after 4am. Increasing clouds, with a temperature falling to near 15 by 11pm, then rising to around 30 during the remainder of the night. West wind 5 to 8 mph becoming calm. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.
Wednesday
Rain and snow before 11am, then a chance of rain between 11am and 1pm. High near 39. Wind chill values between 25 and 35. Southwest wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday Night
Partly cloudy, with a low around 29. West wind around 6 mph.
Thursday
A 30 percent chance of snow, mainly after 4pm. Partly sunny, with a high near 37. Wind chill values between 25 and 35. West wind around 6 mph.
Thursday Night
A 40 percent chance of snow, mainly before 4am. Mostly cloudy, with a low around 24. Light and variable wind.
Friday
Mostly sunny, with a high near 37.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 40.
Sunday Night
Partly cloudy, with a low around 19.
Monday
A 40 percent chance of snow. Partly sunny, with a high near 29.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 20.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 36. Chance of precipitation is 30%.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Centereach NY
40.87°N 73.07°W (Elev. 98 ft)
40.87°N 73.07°W (Elev. 98 ft)
4:55 pm EST Feb 24, 2026
6pm EST Feb 24, 2026-6pm EST Mar 3, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
