Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fog
54°F
12°C
| Humidity | 100% |
| Wind Speed | S 20 G 30 mph |
| Barometer | 29.78 in (1008.6 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 0.50 mi |
| Wind Chill | 49°F (9°C) |
| Last update | 16 Mar 9:56 am EDT |
Extended Forecast for
Lake Ronkonkoma NY
Wind Advisory March 16, 02:00pm until March 17, 04:00am
Dense Fog Advisory until March 16, 11:00am
NOW until 11:00am Mon
Dense Fog Advisory
Today
High: 58 °F
Showers and
Areas FogTonight
Low: 35 °F
Showers and
Areas FogTuesday
High: 39 °F
Mostly Sunny
Tuesday Night
Low: 24 °F
Partly Cloudy
Wednesday
High: 38 °F
Increasing
CloudsWednesday Night
Low: 28 °F
Mostly Cloudy
Thursday
High: 43 °F
Mostly Sunny
Thursday Night
Low: 34 °F
Partly Cloudy
Detailed Forecast
Today
Showers and possibly a thunderstorm. Areas of fog. High near 58. Breezy, with a south wind 17 to 21 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and possibly a thunderstorm before 2am, then a chance of showers. Areas of fog before 2am. Low around 35. Breezy, with a south wind 15 to 23 mph becoming west after midnight. Winds could gust as high as 48 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Mostly sunny, with a steady temperature around 39. West wind 13 to 15 mph, with gusts as high as 26 mph.
Tuesday Night
Partly cloudy, with a low around 24. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.
Wednesday
Increasing clouds, with a high near 38. Northwest wind around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 43.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 50.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 47.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 45.
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)
8:38 am EDT Mar 16, 2026
10am EDT Mar 16, 2026-6pm EDT Mar 22, 2026
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