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Ronkonkoma, New York Weather Forecast
Ronkonkoma, New York Weather
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Weather Forecast for Ronkonkoma, New York : Suffolk County
Issued: 12:47 pm EST Dec 7, 2025 Latitude: 40.8153761 Longitude: -73.112333 View on Google Maps

MouseOver for Detail Forecast
Tonight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Cloudy on Tonight Mostly Sunny on Monday Increasing Clouds on Tuesday 40% chance of rain on Wednesday Mostly Sunny on Thursday 30% chance of rain on Friday 30% chance of snow on Saturday Mostly Sunny on Sunday
Low: 24°F High: 32°F High: 41°F High: 50°F High: 44°F High: 40°F High: 37°F High: 35°F
Low: 17°F Low: 37°F Low: 35°F Low: 28°F Low: 25°F Low: 22°F  
Cloudy Mostly Sunny Increasing Clouds Rain Mostly Sunny Rain Snow Mostly Sunny
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Current Conditions at
ISLIP - (KISP)
43°
Feels like 36°F
Cloudy
as of 2:56 PM EST
Rel. Humidity: 52%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
10 MPH
220° Southwest
Cloud Level(s): Few at 2600ft, Scattered at 3200ft, Broken at 15000ft, Solid Overcast at 25000ft
Current Conditions at
SHIRLEY/BROOKHAVEN - (KHWV)
39°
Cloudy
as of 2:56 PM EST
Rel. Humidity: 60%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
8 MPH
240° Southwest
Cloud Level(s): Solid Overcast at 3900ft
Current Conditions at
FARMINGDALE - (KFRG)
41°
Feels like 34°F
Mostly Clear
as of 2:53 PM EST
Rel. Humidity: 52%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
12 MPH
210° Southwest
Cloud Level(s): Few at 3800ft
Current Conditions at
WHITE PLAINS - (KHPN)
39°
Mostly Cloudy
as of 2:56 PM EST
Rel. Humidity: 55%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
6 MPH
Cloud Level(s): Broken at 3700ft
Cloudy on Tonight Tonight... Partly cloudy, with a low around 24. West wind 9 to 14 mph becoming northwest after midnight. Winds could gust as high as 28 mph.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 32. Wind chill values between 15 and 20. North wind 14 to 18 mph, with gusts as high as 32 mph.

Mostly Clear on Monday Night Monday Night... Mostly cloudy, then gradually becoming mostly clear, with a low around 17. North wind 5 to 9 mph.

Increasing Clouds on Tuesday Tuesday... Increasing clouds, with a high near 41. Wind chill values between 20 and 30. Light and variable wind becoming south 6 to 11 mph in the morning.

20% chance of rain & snow Tuesday Night Tuesday Night... A slight chance of rain and snow before 1am, then a slight chance of snow. Mostly cloudy, with a steady temperature around 37. Southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

40% chance of rain Wednesday Wednesday... A 40 percent chance of rain. Mostly cloudy, with a high near 50. Breezy.

30% chance of rain Wednesday Night Wednesday Night... A 30 percent chance of rain before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 35.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 44.

30% chance of snow Thursday Night Thursday Night... A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 28.

30% chance of rain Friday Friday... A 30 percent chance of rain. Partly sunny, with a high near 40.

30% chance of rain & snow Friday Night Friday Night... A chance of rain and snow. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.

30% chance of snow Saturday Saturday... A 30 percent chance of snow. Partly sunny, with a high near 37.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 22.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 35.

Current Radar Image


Sun Almanac for Ronkonkoma, New York
Sunrise: 07:04 AM
Sunset: 4:25 PM
Civil Sunrise:06:33 AM
Civil Sunset: 4:55 PM
Nautical Sunrise: 05:59 AM
Nautical Sunset: 5:30 PM
Astro Sunrise: 05:25 AM
Astro Sunset: 6:03 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.