Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Mostly Cloudy
70°F
21°C
| Humidity | 64% |
| Wind Speed | S 10 mph |
| Barometer | 29.79 in (1008.7 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 16 Apr 4:56 pm EDT |
Extended Forecast for
Centereach NY
Tonight
Low: 56 °F
Mostly Cloudy
then Slight
Chance
ShowersFriday
High: 75 °F
Slight Chance
Showers then
Chance
ShowersFriday Night
Low: 51 °F
Chance
Showers then
Mostly CloudySaturday

High: 62 °F
Partly Sunny
Saturday Night
Low: 47 °F
Mostly Cloudy
then Chance
ShowersSunday

High: 58 °F
Showers
Sunday Night
Low: 38 °F
Showers then
Chance
ShowersMonday

High: 50 °F
Mostly Sunny
Monday Night

Low: 33 °F
Mostly Clear
Detailed Forecast
Tonight
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 56. South wind 5 to 9 mph becoming light west after midnight.
Friday
A slight chance of showers before 11am, then a chance of showers after 2pm. Partly sunny, with a high near 75. Northwest wind 3 to 7 mph. Chance of precipitation is 50%.
Friday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 51. Light northeast wind.
Saturday
Partly sunny, with a high near 62. East wind 5 to 8 mph.
Saturday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 47. Light southeast wind.
Sunday
Showers, mainly after 8am. High near 58. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers, mainly before 8pm. Low around 38. Chance of precipitation is 80%.
Monday
Mostly sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Sunny, with a high near 52.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Partly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 61.
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)
2:57 pm EDT Apr 16, 2026
5pm EDT Apr 16, 2026-6pm EDT Apr 23, 2026


