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Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fog
66°F
19°C
Humidity | 93% |
Wind Speed | SE 6 mph |
Barometer | 30.02 in (1016.5 mb) |
Dewpoint | 64°F (18°C) |
Visibility | 0.25 mi |
Last update | 17 Jun 4:56 pm EDT |
Extended Forecast for
Lake Ronkonkoma NY
Tonight
Low: 66 °F
Chance
Showers and
Patchy FogWednesday
High: 77 °F
Chance
Showers then
Chance
T-stormsWednesday Night
Low: 68 °F
Chance
T-stormsJuneteenth
High: 89 °F
Mostly Sunny
then Chance
T-stormsThursday Night
Low: 66 °F
Chance
T-storms then
Chance
ShowersFriday
High: 84 °F
Sunny
Friday Night
Low: 65 °F
Mostly Clear
Saturday
High: 85 °F
Mostly Sunny
Saturday Night
Low: 67 °F
Mostly Cloudy
Detailed Forecast
Tonight
A slight chance of showers between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Patchy fog. Otherwise, cloudy, with a low around 66. Southeast wind 5 to 7 mph. Chance of precipitation is 40%.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Cloudy, with a high near 77. South wind 6 to 8 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 68. South wind around 6 mph.
Juneteenth
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Heat index values as high as 97. Southwest wind 6 to 14 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 66. Southwest wind 9 to 11 mph, with gusts as high as 22 mph.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 65.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
Mostly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 70.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Sunny, with a high near 92.
Additional Forecasts and Information
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ABOUT 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)
3:10 pm EDT Jun 17, 2025
5pm EDT Jun 17, 2025-6pm EDT Jun 24, 2025