Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Light Rain
40°F
4°C
| Humidity | 83% |
| Wind Speed | NW 14 G 23 mph |
| Barometer | 29.73 in (1006.9 mb) |
| Dewpoint | 35°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 32°F (0°C) |
| Last update | 12 Mar 1:56 pm EDT |
Extended Forecast for
Centereach NY
This Afternoon

High: 38 °F
Rain/Snow
Tonight
Low: 29 °F
Snow then
Mostly ClearFriday

High: 46 °F
Increasing
CloudsFriday Night

Low: 36 °F
Decreasing
CloudsSaturday

High: 49 °F
Sunny
Saturday Night

Low: 31 °F
Increasing
CloudsSunday

High: 48 °F
Mostly Cloudy
Sunday Night
Low: 39 °F
Chance Rain
then RainMonday

High: 56 °F
Rain and
Breezy
Detailed Forecast
This Afternoon
Rain and snow. Steady temperature around 38. Northwest wind around 16 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow, mainly before 8pm. Low around 29. Northwest wind around 9 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday
Increasing clouds, with a high near 46. Light and variable wind becoming south 9 to 14 mph in the morning.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 36. South wind 10 to 13 mph, with gusts as high as 31 mph.
Saturday
Sunny, with a high near 49. West wind 15 to 17 mph, with gusts as high as 31 mph.
Saturday Night
Increasing clouds, with a low around 31.
Sunday
Mostly cloudy, with a high near 48.
Sunday Night
Rain, mainly after 2am. Low around 39. Chance of precipitation is 80%.
Monday
Rain and possibly a thunderstorm. High near 56. Breezy. Chance of precipitation is 100%.
Monday Night
Rain, mainly before 2am. Low around 35. Chance of precipitation is 80%.
Tuesday
A 30 percent chance of rain. Mostly sunny, with a high near 44.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
Sunny, with a high near 37.
Wednesday Night
Partly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 42.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Centereach NY
40.87°N 73.07°W (Elev. 98 ft)
40.87°N 73.07°W (Elev. 98 ft)
2:45 pm EDT Mar 12, 2026
3pm EDT Mar 12, 2026-6pm EDT Mar 19, 2026


