Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Mostly Cloudy
59°F
15°C
| Humidity | 35% |
| Wind Speed | W 16 G 30 mph |
| Barometer | 29.88 in (1011.8 mb) |
| Dewpoint | 31°F (-1°C) |
| Visibility | 10.00 mi |
| Last update | 1 Nov 12:56 pm EDT |
Extended Forecast for
Lake Ronkonkoma NY
This Afternoon
High: 58 °F
Mostly Sunny
Tonight
Low: 40 °F
Partly Cloudy
Sunday
High: 57 °F
Sunny
Sunday Night
Low: 44 °F
Partly Cloudy
Monday
High: 59 °F
Chance Rain
Monday Night
Low: 45 °F
Chance Rain
Tuesday
High: 60 °F
Sunny
Tuesday Night
Low: 44 °F
Mostly Clear
Wednesday
High: 60 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 58. West wind around 16 mph, with gusts as high as 29 mph.
Tonight
Partly cloudy, with a low around 40. Northwest wind 5 to 8 mph.
Sunday
Sunny, with a high near 57. Northwest wind 3 to 7 mph.
Sunday Night
Partly cloudy, with a low around 44. Light southwest wind.
Monday
A 30 percent chance of rain, mainly after 2pm. Partly sunny, with a high near 59. Light south wind increasing to 5 to 10 mph in the morning.
Monday Night
A 50 percent chance of rain before 2am. Mostly cloudy, with a low around 45.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 57.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Lake Ronkonkoma NY
40.83°N 73.14°W (Elev. 98 ft)
40.83°N 73.14°W (Elev. 98 ft)
10:13 am EDT Nov 1, 2025
1pm EDT Nov 1, 2025-6pm EST Nov 7, 2025
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