Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Partly Cloudy
47°F
8°C
| Humidity | 41% |
| Wind Speed | NW 15 G 23 mph |
| Barometer | 30.03 in (1016.8 mb) |
| Dewpoint | 24°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 41°F (5°C) |
| Last update | 6 Apr 11:56 am EDT |
Extended Forecast for
Brentwood NY
This Afternoon
High: 54 °F
Sunny
Tonight
Low: 39 °F
Chance
ShowersTuesday
High: 52 °F
Mostly Sunny
Tuesday Night
Low: 30 °F
Mostly Clear
Wednesday
High: 47 °F
Sunny
Wednesday Night
Low: 35 °F
Mostly Clear
Thursday
High: 51 °F
Mostly Sunny
Thursday Night
Low: 41 °F
Partly Cloudy
Friday
High: 61 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 54. West wind around 10 mph, with gusts as high as 23 mph.
Tonight
A chance of showers between 11pm and 2am. Mostly cloudy, with a low around 39. Light and variable wind. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 52. Northwest wind 7 to 14 mph.
Tuesday Night
Mostly clear, with a low around 30. North wind 7 to 9 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 47. North wind around 6 mph becoming southeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 59.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Brentwood NY
40.78°N 73.24°W (Elev. 66 ft)
40.78°N 73.24°W (Elev. 66 ft)
11:05 am EDT Apr 6, 2026
12pm EDT Apr 6, 2026-6pm EDT Apr 12, 2026
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