What is today's weather forecast for Ronkonkoma, NY?

Today's forecast for Ronkonkoma shows a high of 47 degrees and a low of 34 degrees Fahrenheit. Mostly sunny, with a high near 47.

What is the 7-day weather forecast for Ronkonkoma, NY?

The 7-day forecast for Ronkonkoma shows highs from 47 to 58 degrees and lows from 33 to 44 degrees Fahrenheit. Expect precipitation on 4 days with chances of 20% or higher.

Will it rain in Ronkonkoma, NY this week?

Yes, rain is possible in Ronkonkoma this week. Precipitation chances: Friday (50% chance), Saturday (20% chance), Tuesday (60% chance), Wednesday (40% chance).

How accurate is the Ronkonkoma weather forecast?

WeatherForYou provides highly accurate Ronkonkoma forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Ronkonkoma, NY Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

44°F
Feels Like 44°F

Humidity 68% Dew Point 34°F Wind NNE 1 MPH Gusts 2 Barometer 30.26 in.768.6 mm

Solar Rad 205 w/m² UV Index 1

Report from a personal weather station 2.2 miles NNW of central Ronkonkoma
at 9:51 AM Thu, Nov 20, 2025

Point Forecast at a Glance

ThuNov 20

FriNov 21

SatNov 22

20%

SunNov 23

MonNov 24

TueNov 25

30%

WedNov 26

40%

7-Day Temperature Trend

Week Ahead Summary

Warming trend through the week with high temperatures climbing from 47°F to 58°F. Unsettled weather expected with rain likely on at least 4 days.

Climate Context

Temperatures are expected to be near normal for this time of year, with highs around 54°F and lows around 38°F.

This Date in Weather History

1914 - The high temperature of 28 degrees at Atlanta, GA, was their earliest daily high below the freezing mark.

Ronkonkoma, NY 7 Day Weather Forecast Details

Thursday Nov 20

Day: Mostly sunny, with a high near 47. Northeast wind around 5 mph becoming calm in the afternoon.

Night: Increasing clouds, with a low around 34. Calm wind.

Friday Nov 21

Day: Mostly cloudy, with a high near 54. Calm wind becoming southwest 5 to 9 mph in the morning.

Night: A 50 percent chance of rain. Cloudy, with a low around 41. Southwest wind around 6 mph becoming light and variable.

Saturday Nov 22

Day: A 20 percent chance of rain before 1pm. Partly sunny, with a high near 51. North wind 7 to 11 mph.

Night: Partly cloudy, with a low around 33.

Sunday Nov 23

Day: Mostly sunny, with a high near 49.

Night: Partly cloudy, with a low around 39.

Monday Nov 24

Day: Mostly sunny, with a high near 53.

Night: Mostly cloudy, with a low around 38.

Tuesday Nov 25

Day: A 30 percent chance of rain. Mostly cloudy, with a high near 54.

Night: Rain likely. Cloudy, with a low around 44. Chance of precipitation is 60%.

Wednesday Nov 26

Day: A 40 percent chance of rain. Partly sunny, with a high near 58.

About Ronkonkoma, NY

Ronkonkoma ( ron-KONG-kə-mə) is a hamlet and census-designated place (CDP) located within the Town of Islip and Town of Brookhaven, in Suffolk County, New York, United States. The population was 18,955 at the time of the 2020 census. The Ronkonkoma post office has the ZIP Code 11779 and serves the CDP, plus parts of several other hamlets and CDPs adjacent to Ronkonkoma. The hamlet is also home to Long Island MacArthur Airport, which is owned and operated by the Town of Islip. The New York Air Route Traffic Control Center is located at the airport.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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