Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Overcast
59°F
15°C
| Humidity | 93% |
| Wind Speed | N 5 mph |
| Barometer | 29.72 in (1006.2 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 9 Nov 5:56 pm EST |
Extended Forecast for
Brentwood NY
Freeze Watch November 11, 01:00am until November 11, 09:00am
Tonight
Low: 50 °F
Rain and
Patchy FogMonday
High: 59 °F
Rain then
Chance RainMonday Night
Low: 31 °F
Partly Cloudy
Veterans Day
High: 44 °F
Mostly Sunny
and BreezyTuesday Night
Low: 34 °F
Partly Cloudy
Wednesday
High: 52 °F
Partly Sunny
Wednesday Night
Low: 40 °F
Partly Cloudy
Thursday
High: 53 °F
Mostly Sunny
Thursday Night
Low: 36 °F
Mostly Clear
Detailed Forecast
Tonight
Showers likely before 7pm, then areas of drizzle with a chance of showers between 7pm and 4am, then rain after 4am. Patchy fog between 7pm and 4am. Low around 50. Southeast wind 5 to 9 mph becoming light and variable after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain, mainly before 10am. High near 59. Light southwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 31. Wind chill values between 20 and 25. West wind 11 to 14 mph, with gusts as high as 25 mph.
Veterans Day
Mostly sunny, with a high near 44. Wind chill values between 20 and 30. Breezy, with a west wind 15 to 23 mph, with gusts as high as 37 mph.
Tuesday Night
Partly cloudy, with a low around 34. West wind 11 to 18 mph, with gusts as high as 30 mph.
Wednesday
Partly sunny, with a high near 52.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 53.
Thursday Night
Mostly clear, with a low around 36.
Friday
Mostly sunny, with a high near 52.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Mostly sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Partly sunny, with a high near 53.
Additional Forecasts and Information
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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)
4:56 pm EST Nov 9, 2025
6pm EST Nov 9, 2025-6pm EST Nov 16, 2025
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