Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fair
63°F
17°C
| Humidity | 87% |
| Wind Speed | Calm |
| Barometer | 30.11 in (1019.5 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 4 Aug 2:56 am EDT |
Extended Forecast for
Brentwood NY
Overnight
Low: 62 °F
Mostly Clear
Monday
High: 88 °F
Haze
Monday Night
Low: 68 °F
Haze then
Partly CloudyTuesday
High: 86 °F
Mostly Sunny
Tuesday Night
Low: 67 °F
Mostly Cloudy
Wednesday
High: 83 °F
Partly Sunny
Wednesday Night
Low: 67 °F
Mostly Cloudy
Thursday
High: 81 °F
Mostly Sunny
Thursday Night
Low: 65 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly clear, with a low around 62. Calm wind.
Monday
Widespread haze after 7am. Sunny, with a high near 88. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Widespread haze before midnight. Partly cloudy, with a low around 68. South wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 86. Calm wind becoming southeast 5 to 8 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 67. East wind around 6 mph.
Wednesday
Partly sunny, with a high near 83.
Wednesday Night
Mostly cloudy, with a low around 67.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 65.
Friday
Sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 66.
Saturday
Sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 85.
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)
1:58 am EDT Aug 4, 2025
3am EDT Aug 4, 2025-6pm EDT Aug 10, 2025
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