Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Partly Cloudy
52°F
11°C
| Humidity | 61% |
| Wind Speed | S 10 G 18 mph |
| Barometer | 30.31 in (1026.3 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 49°F (9°C) |
| Last update | 10 Apr 12:56 pm EDT |
Extended Forecast for
Brentwood NY
This Afternoon
High: 57 °F
Sunny
Tonight
Low: 45 °F
Mostly Cloudy
then Slight
Chance
ShowersSaturday
High: 60 °F
Sunny
Saturday Night
Low: 40 °F
Mostly Clear
Sunday
High: 54 °F
Mostly Sunny
Sunday Night
Low: 45 °F
Mostly Cloudy
Monday
High: 65 °F
Mostly Cloudy
Monday Night
Low: 53 °F
Partly Cloudy
Tuesday
High: 70 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 57. South wind around 10 mph.
Tonight
A 20 percent chance of showers after midnight. Increasing clouds, with a low around 45. South wind 8 to 11 mph.
Saturday
Sunny, with a high near 60. North wind 8 to 13 mph.
Saturday Night
Mostly clear, with a low around 40. North wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 54. Calm wind becoming south 5 to 8 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 45.
Monday
Mostly cloudy, with a high near 65.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
Partly sunny, with a high near 71.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 55.
Thursday
Partly sunny, with a high near 72.
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)
11:43 am EDT Apr 10, 2026
1pm EDT Apr 10, 2026-6pm EDT Apr 16, 2026
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