Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds
70°F
21°C
| Humidity | 51% |
| Wind Speed | S 12 G 21 mph |
| Barometer | 30.06 in (1017.8 mb) |
| Dewpoint | 51°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 16 May 12:56 pm EDT |
Extended Forecast for
Lake Ronkonkoma NY
This Afternoon
High: 75 °F
Sunny
Tonight
Low: 60 °F
Chance
SprinklesSunday
High: 84 °F
Chance
SprinklesSunday Night
Low: 60 °F
Partly Cloudy
Monday
High: 74 °F
Sunny
Monday Night
Low: 60 °F
Partly Cloudy
Tuesday
High: 85 °F
Sunny
Tuesday Night
Low: 66 °F
Mostly Clear
Wednesday
High: 83 °F
Mostly Sunny
then Chance
Showers
Detailed Forecast
This Afternoon
Sunny, with a high near 75. South wind 10 to 13 mph.
Tonight
A chance of sprinkles after 2am. Partly cloudy, with a low around 60. Southwest wind 8 to 11 mph, with gusts as high as 23 mph.
Sunday
A chance of sprinkles before 8am. Sunny, with a high near 84. Southwest wind 5 to 8 mph.
Sunday Night
Partly cloudy, with a low around 60. Southwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 74. Southeast wind 5 to 9 mph.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 83.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 60.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 72.
Thursday Night
Mostly cloudy, with a low around 53.
Friday
Partly sunny, with a high near 68.
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)
5:42 am EDT May 16, 2026
1pm EDT May 16, 2026-6pm EDT May 22, 2026
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