


Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Light Rain Fog/Mist
50°F
10°C
Humidity | 86% |
Wind Speed | N 12 mph |
Barometer | 29.78 in (1008.4 mb) |
Dewpoint | 46°F (8°C) |
Visibility | 6.00 mi |
Wind Chill | 45°F (7°C) |
Last update | 22 May 5:56 pm EDT |
Extended Forecast for
Brentwood NY
Coastal Flood Advisory May 22, 06:53pm until May 22, 08:00pm
NOW until 8:00pm Thu
Coastal Flood Advisory
Tonight
Low: 45 °F
Rain Likely
then Chance
ShowersFriday
High: 63 °F
Chance
ShowersFriday Night
Low: 49 °F
Chance
ShowersSaturday
High: 65 °F
Mostly Sunny
Saturday Night
Low: 51 °F
Partly Cloudy
Sunday
High: 68 °F
Mostly Sunny
Sunday Night
Low: 52 °F
Partly Cloudy
Memorial Day
High: 71 °F
Mostly Sunny
Detailed Forecast
Tonight
Rain likely before 8pm, then showers likely, mainly between 8pm and 2am. Cloudy, with a low around 45. Northwest wind 7 to 11 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 30 percent chance of showers, mainly after 2pm. Mostly cloudy, with a high near 63. West wind 5 to 11 mph.
Friday Night
A 30 percent chance of showers, mainly before 8pm. Partly cloudy, with a low around 49. West wind 7 to 10 mph.
Saturday
Mostly sunny, with a high near 65. West wind 13 to 17 mph.
Saturday Night
Partly cloudy, with a low around 51. West wind around 8 mph.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 52.
Memorial Day
Mostly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly cloudy, with a high near 69.
Tuesday Night
A 30 percent chance of light rain. Mostly cloudy, with a low around 54.
Wednesday
A 30 percent chance of light rain. Mostly cloudy, with a high near 68.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 56.
Thursday
Partly sunny, with a high near 71.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Brentwood NY
40.78°N 73.24°W (Elev. 66 ft)
40.78°N 73.24°W (Elev. 66 ft)
3:43 pm EDT May 22, 2025
6pm EDT May 22, 2025-6pm EDT May 29, 2025