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Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Mostly Cloudy
77°F
25°C
| Humidity | 62% |
| Wind Speed | E 5 mph |
| Barometer | 30.03 in (1016.8 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 27 Jun 8:56 am EDT |
Extended Forecast for
Lake Ronkonkoma NY
Today
High: 81 °F
Chance
ShowersTonight
Low: 65 °F
Mostly Cloudy
Sunday
High: 80 °F
Partly Sunny
Sunday Night
Low: 65 °F
Partly Cloudy
Monday
High: 83 °F
Mostly Sunny
Monday Night
Low: 67 °F
Mostly Clear
Tuesday
High: 86 °F
Mostly Sunny
Tuesday Night
Low: 71 °F
Partly Cloudy
Wednesday
High: 89 °F
Mostly Sunny
Detailed Forecast
Today
A 30 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 65. Light and variable wind.
Sunday
Partly sunny, with a high near 80. Calm wind becoming southeast around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 65. Light and variable wind.
Monday
Mostly sunny, with a high near 83. Calm wind becoming south 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 67.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
Partly cloudy, with a low around 74.
Thursday
Sunny, with a high near 95.
Thursday Night
Mostly clear, with a low around 75.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 93.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Lake Ronkonkoma NY
40.83°N 73.11°W (Elev. 98 ft)
40.83°N 73.11°W (Elev. 98 ft)
3:13 am EDT Jun 27, 2026
9am EDT Jun 27, 2026-6pm EDT Jul 3, 2026
Additional Resources
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