News Headlines
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds
19°F
-7°C
| Humidity | 65% |
| Wind Speed | W 6 mph |
| Barometer | 30.15 in (1021.1 mb) |
| Dewpoint | 9°F (-13°C) |
| Visibility | 10.00 mi |
| Wind Chill | 11°F (-12°C) |
| Last update | 3 Feb 7:56 am EST |
Extended Forecast for
Brentwood NY
Today
High: 33 °F
Sunny
Tonight
Low: 17 °F
Partly Cloudy
Wednesday
High: 31 °F
Sunny
Wednesday Night
Low: 14 °F
Partly Cloudy
Thursday
High: 28 °F
Mostly Sunny
Thursday Night
Low: 11 °F
Partly Cloudy
Friday
High: 29 °F
Partly Sunny
Friday Night
Low: 10 °F
Chance Snow
Showers then
Mostly CloudySaturday
High: 20 °F
Cold
Detailed Forecast
Today
Sunny, with a high near 33. Wind chill values between 5 and 15. West wind 6 to 8 mph.
Tonight
Partly cloudy, with a low around 17. Light west wind.
Wednesday
Sunny, with a high near 31. Wind chill values between 10 and 20. Northwest wind 5 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 14. Light north wind.
Thursday
Mostly sunny, with a high near 28. North wind 3 to 7 mph.
Thursday Night
Partly cloudy, with a low around 11.
Friday
Partly sunny, with a high near 29.
Friday Night
A 30 percent chance of snow showers before midnight. Mostly cloudy, with a low around 10.
Saturday
Mostly sunny and cold, with a high near 20.
Saturday Night
Partly cloudy, with a low around 5.
Sunday
Mostly sunny and cold, with a high near 18.
Sunday Night
Partly cloudy, with a low around 6.
Monday
Mostly sunny, with a high near 23.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
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)
5:06 am EST Feb 3, 2026
8am EST Feb 3, 2026-6pm EST Feb 9, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
