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Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Mostly Cloudy
50°F
10°C
| Humidity | 71% |
| Wind Speed | S 12 G 21 mph |
| Barometer | 30.27 in (1025.1 mb) |
| Dewpoint | 41°F (5°C) |
| Visibility | 10.00 mi |
| Wind Chill | 45°F (7°C) |
| Last update | 9 Jan 10:56 am EST |
Extended Forecast for
Centereach NY
Today

High: 52 °F
Isolated
ShowersTonight
Low: 39 °F
Showers
Likely then
Mostly CloudySaturday
High: 46 °F
Slight Chance
Rain then
Rain LikelySaturday Night
Low: 37 °F
Rain then
Rain LikelySunday

High: 45 °F
Chance Rain
Sunday Night

Low: 27 °F
Partly Cloudy
Monday

High: 39 °F
Mostly Sunny
Monday Night

Low: 30 °F
Partly Cloudy
Tuesday

High: 43 °F
Mostly Sunny
Detailed Forecast
Today
Isolated showers after 4pm. Increasing clouds, with a high near 52. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
Showers likely, mainly before 9pm. Cloudy, with a low around 39. South wind 5 to 8 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Saturday
Rain likely, mainly after 3pm. Cloudy, with a high near 46. Calm wind becoming north around 6 mph in the morning. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain. Low around 37. East wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
A chance of rain before noon, then a chance of showers after noon. Cloudy, then gradually becoming mostly sunny, with a high near 45. West wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Mostly cloudy, with a high near 45.
Wednesday Night
A 30 percent chance of showers. Cloudy, with a low around 31.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 39.
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)
9:16 am EST Jan 9, 2026
11am EST Jan 9, 2026-6pm EST Jan 15, 2026


