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Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Mostly Cloudy
60°F
16°C
| Humidity | 56% |
| Wind Speed | SW 12 mph |
| Barometer | 29.86 in (1011.0 mb) |
| Dewpoint | 44°F (7°C) |
| Visibility | 10.00 mi |
| Last update | 26 Mar 2:56 pm EDT |
Extended Forecast for
Centereach NY
Tonight
Low: 48 °F
Breezy.
Showers
Likely then
ShowersFriday
High: 51 °F⇓
Showers then
Slight Chance
ShowersFriday Night

Low: 30 °F
Mostly Cloudy
Saturday

High: 41 °F
Decreasing
CloudsSaturday Night

Low: 28 °F
Partly Cloudy
Sunday

High: 47 °F
Mostly Sunny
Sunday Night

Low: 40 °F
Mostly Cloudy
Monday

High: 55 °F
Partly Sunny
Monday Night

Low: 43 °F
Mostly Cloudy
Detailed Forecast
Tonight
Showers, mainly after 8pm. Low around 48. Breezy, with a south wind 15 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers, mainly before 11am. Temperature falling to around 46 by 5pm. North wind 10 to 13 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Mostly cloudy, with a low around 30. North wind 5 to 7 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 41. Wind chill values between 20 and 30. Northwest wind 11 to 14 mph.
Saturday Night
Partly cloudy, with a low around 28. Northwest wind 5 to 10 mph becoming light in the evening.
Sunday
Mostly sunny, with a high near 47.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
Partly sunny, with a high near 55.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
A 30 percent chance of rain after 8am. Mostly cloudy, with a high near 55.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 44.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 59.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 45.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 59.
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)
2:38 pm EDT Mar 26, 2026
3pm EDT Mar 26, 2026-6pm EDT Apr 2, 2026


