Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fog/Mist and Breezy
47°F
8°C
| Humidity | 93% |
| Wind Speed | SE 21 G 32 mph |
| Barometer | 29.95 in (1014.1 mb) |
| Dewpoint | 45°F (7°C) |
| Visibility | 6.00 mi |
| Wind Chill | 39°F (4°C) |
| Last update | 16 Mar 3:56 am EDT |
Extended Forecast for
Brentwood NY
Wind Advisory March 16, 02:00pm until March 17, 04:00am
Overnight
Low: 48 °F
Showers and
Areas FogMonday
High: 58 °F
Showers and
Areas FogMonday Night
Low: 35 °F
Showers and
Areas FogTuesday
High: 43 °F
Sunny
Tuesday Night
Low: 25 °F
Partly Cloudy
Wednesday
High: 38 °F
Increasing
CloudsWednesday Night
Low: 29 °F
Mostly Cloudy
Thursday
High: 43 °F
Mostly Sunny
Thursday Night
Low: 34 °F
Partly Cloudy
Detailed Forecast
Overnight
Showers, with thunderstorms also possible after 5am. Areas of fog after 5am. Steady temperature around 48. Southeast wind around 16 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and possibly a thunderstorm. Areas of fog. High near 58. Breezy, with a south wind 16 to 21 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Areas of fog before 2am. Low around 35. Breezy, with a south wind 16 to 23 mph becoming west after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Sunny, with a high near 43. West wind around 15 mph, with gusts as high as 28 mph.
Tuesday Night
Partly cloudy, with a low around 25. Northwest wind 8 to 10 mph, with gusts as high as 22 mph.
Wednesday
Increasing clouds, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 43.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 50.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 47.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 46.
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)
2:29 am EDT Mar 16, 2026
4am EDT Mar 16, 2026-6pm EDT Mar 22, 2026
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