News Headlines
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Mostly Cloudy
71°F
22°C
| Humidity | 90% |
| Wind Speed | SW 13 mph |
| Barometer | 29.70 in (1005.5 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Last update | 19 Jun 11:56 pm EDT |
Extended Forecast for
Brentwood NY
Overnight
Low: 66 °F
Partly Cloudy
Friday
High: 84 °F
Sunny
Friday Night
Low: 67 °F
Partly Cloudy
Saturday
High: 85 °F
Mostly Sunny
Saturday Night
Low: 69 °F
Mostly Cloudy
Sunday
High: 88 °F
Partly Sunny
Sunday Night
Low: 72 °F
Mostly Clear
Monday
High: 93 °F
Sunny
Monday Night
Low: 73 °F
Mostly Clear
Detailed Forecast
Overnight
Partly cloudy, with a low around 66. West wind around 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 84. West wind 14 to 16 mph.
Friday Night
Partly cloudy, with a low around 67. West wind 5 to 8 mph.
Saturday
Mostly sunny, with a high near 85. West wind 6 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 69. Southwest wind around 7 mph.
Sunday
Partly sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 72.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
Mostly sunny, with a high near 90.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
Partly sunny, with a high near 81.
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 73.27°W (Elev. 98 ft)
40.78°N 73.27°W (Elev. 98 ft)
11:29 pm EDT Jun 19, 2025
12am EDT Jun 20, 2025-6pm EDT Jun 26, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
