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Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds
59°F
15°C
| Humidity | 49% |
| Wind Speed | SW 10 mph |
| Barometer | 30.24 in (1024.0 mb) |
| Dewpoint | 40°F (4°C) |
| Visibility | 10.00 mi |
| Last update | 2 Nov 1:56 pm EST |
Extended Forecast for
Lake Grove NY
This Afternoon
High: 57 °F
Sunny
Tonight
Low: 43 °F
Partly Cloudy
Monday
High: 61 °F
Chance
ShowersMonday Night
Low: 46 °F
Gradual
ClearingTuesday
High: 58 °F
Sunny and
BreezyTuesday Night
Low: 44 °F
Mostly Clear
Wednesday
High: 62 °F
Mostly Sunny
Wednesday Night
Low: 44 °F
Chance
ShowersThursday
High: 56 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 57. Southwest wind around 6 mph.
Tonight
Partly cloudy, with a low around 43. Light southwest wind.
Monday
A 50 percent chance of showers after 11am. Mostly cloudy, with a high near 61. Light south wind increasing to 5 to 10 mph in the morning.
Monday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 46. West wind 9 to 18 mph.
Tuesday
Sunny, with a high near 58. Breezy, with a west wind 15 to 23 mph.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 44.
Thursday
Sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Partly sunny, with a high near 60.
Friday Night
Showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 62.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Lake Grove NY
40.85°N 73.1°W (Elev. 144 ft)
40.85°N 73.1°W (Elev. 144 ft)
12:53 pm EST Nov 2, 2025
2pm EST Nov 2, 2025-6pm EST Nov 8, 2025
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