Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fog
53°F
12°C
| Humidity | 96% |
| Wind Speed | S 16 G 36 mph |
| Barometer | 29.69 in (1005.3 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 0.13 mi |
| Wind Chill | 48°F (9°C) |
| Last update | 16 Mar 1:56 pm EDT |
Extended Forecast for
Lake Ronkonkoma NY
Wind Advisory until March 17, 04:00am
NOW until 4:00am Tue

Wind Advisory
This Afternoon

High: 58 °F
Showers and
Areas FogTonight

Low: 34 °F
Showers and
Areas FogTuesday

High: 42 °F
Mostly Sunny
Tuesday Night

Low: 24 °F
Partly Cloudy
Wednesday

High: 37 °F
Mostly Sunny
Wednesday Night

Low: 28 °F
Partly Cloudy
Thursday

High: 44 °F
Mostly Sunny
Thursday Night

Low: 33 °F
Mostly Cloudy
Detailed Forecast
This Afternoon
Showers and possibly a thunderstorm. Areas of fog. High near 58. Breezy, with a south wind around 20 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 2am, then a chance of showers. Areas of fog before 2am. Low around 34. Breezy, with a south wind 17 to 23 mph becoming west after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Mostly sunny, with a high near 42. West wind around 14 mph, with gusts as high as 26 mph.
Tuesday Night
Partly cloudy, with a low around 24. Northwest wind 7 to 10 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 37. Northwest wind around 6 mph.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 44.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 50.
Friday Night
A 40 percent chance of rain after 2am. Mostly cloudy, with a low around 36.
Saturday
A 40 percent chance of rain. Partly sunny, with a high near 48.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 34.
Sunday
Mostly cloudy, with a high near 47.
Additional Forecasts and Information
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ABOUT 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)
1:51 pm EDT Mar 16, 2026
2pm EDT Mar 16, 2026-6pm EDT Mar 22, 2026



