1. NearWeather.com
  2. United States
  3. Lake Ronkonkoma, US

Lake Ronkonkoma Weather Today

Temperature, Feels Like, Rain Chance & Hourly Forecast in Lake Ronkonkoma

Lake Ronkonkoma temperature today is 20°, feels like 20°, with a humidity level of 79% and wind at 38.63 km/h. Rain chance today is 0%. Use the hourly forecast and 5-day outlook below to plan your day.

Tomorrow in Lake Ronkonkoma: expect a high of 21° and a low of 12°, with few clouds.

scattered clouds
20°
scattered clouds
H: 21° L: 19°
Feels like 20°
AQI: Moderate (3/5)
Lake Ronkonkoma
Weather Updated Sep 14, 2026 5:35 PM
Humidity
79%
Dew 16°
Wind speed
38.63 km/h
NNE · G56.34
Pressure
1015 hPa
Visibility
10 km
High Winds
Wind speed is 38.63 km/h. Secure loose objects.
Weather Summary
Currently in Lake Ronkonkoma, expect varied conditions with mild temperatures around 20°. Winds are strong winds.
Mon
few clouds
21° 15°
Tue
few clouds
21° 12°
Wed
broken clouds
23° 15°
Thu
clear sky
25° 19°
Fri
scattered clouds
26° 21°
Daily Weather Forecast
Monday
09/14/2026
few clouds
15°
21°
Tuesday
09/15/2026
few clouds
12°
21°
Wednesday
09/16/2026
broken clouds
15°
23°
Thursday
09/17/2026
clear sky
19°
25°
Friday
09/18/2026
scattered clouds
21°
26°
Precipitation Probability
0%
11
0%
14
0%
17
0%
20
0%
23
0%
02
0%
05
0%
08
0%
11
0%
14
0%
17
0%
20
0%
23
0%
02
0%
05
0%
08
Evolution
Daily Weather Forecast Evolution (°C)
Lowest temperature
Highest temperature
Temperature Forecast (48h)
20°
Mon
11:00
21°
 
21°
 
17°
 
15°
Mon
23:00
13°
 
12°
 
15°
 
18°
Tue
11:00
20°
 
21°
 
17°
 
16°
Tue
23:00
15°
 
15°
 
17°
 
Hot (≥30°)
Warm
Cool
Cold (<0°)
Weather Map
Sun & Moon
Sunrise
Sunrise
06:32
Sunset
Sunset
19:04
Moon Phase
Waxing Crescent (22%)
Timezone: GMT+05:30
Last updated: Sep 14, 2026 5:35 PM · Data refreshes every 5 min
Location Info
Latitude
Latitude
40.835098
Longitude
Longitude
-73.131218
Embed This Weather

Copy the code below to embed Lake Ronkonkoma weather on your website:

<iframe src="https://nearweather.com/embed/lake-ronkonkoma-us-5123840" width="350" height="200" frameborder="0" style="border-radius:12px;box-shadow:0 2px 8px rgba(0,0,0,0.1);"></iframe>
More about Lake Ronkonkoma
Content curated by the NearWeather editorial team · Updated periodically
Lake Ronkonkoma is a freshwater lake located in Suffolk County, New York in the United States. It is the largest lake on Long Island and is a popular recreational area. The climate around Lake Ronkonkoma is generally temperate with humid summers and cold winters. The average temperature year-round is around 56 degrees Fahrenheit (13 degrees Celsius). In the summer months, temperatures typically range between the mid-70s and mid-80s Fahrenheit (23-30 degrees Celsius). In the winter, temperatures can drop below freezing and often reach the teens Fahrenheit (-7 to -9 degrees Celsius). Precipitation is abundant throughout the year, with the highest amounts occurring in the spring and fall.
Weather data sourced from OpenWeatherMap. Forecasts are estimates and may differ from actual conditions. For severe weather, consult your local meteorological authority.
FAQ's about Lake Ronkonkoma
What is the temperature in Lake Ronkonkoma right now?

The current temperature in Lake Ronkonkoma is 20°, and it feels like 20°. Today's high is 21° and the low is 19°.

Will it rain in Lake Ronkonkoma today?

No rain is expected in Lake Ronkonkoma today (0% chance). Conditions are currently scattered clouds.

What is the weather in Lake Ronkonkoma today?

Lake Ronkonkoma is experiencing scattered clouds with a temperature of 20°. Humidity is at 79% and wind speed is 38.63 km/h from the NNE.

What is the humidity in Lake Ronkonkoma today?

Humidity in Lake Ronkonkoma is 79% right now, with a dew point of 16°. Comfort levels are moderate.

What is the wind speed in Lake Ronkonkoma today?

Wind speed in Lake Ronkonkoma is 38.63 km/h, flowing at 13° NNE wind direction. Gusts up to 56.34 km/h.

What is the 5-day forecast for Lake Ronkonkoma?

NearWeather provides a detailed 5-day forecast and 48-hour hourly forecast for Lake Ronkonkoma. Today's high is 21° and low is 19°, with a 0% chance of rain. Scroll up to view the full day-by-day and hourly breakdown.

What does it feel like in Lake Ronkonkoma today?

It feels like 20° in Lake Ronkonkoma today, with 38% cloud cover and 10 km visibility.

Weather in Lake Ronkonkoma
Nearby Locations
Lake Grove Nesconset Ronkonkoma Centereach Village of the Branch Hauppauge Smithtown Bohemia Holtsville Central Islip Head of the Harbor Farmingville Selden Nissequogue Stony Brook North Great River Setauket-East Setauket Islip Terrace Coram North Patchogue Sayville East Setauket West Sayville Port Jefferson Station East Islip Patchogue Great River Blue Point Port Jefferson Islip Commack East Patchogue Gordon Heights Mount Sinai Bay Shore North Bay Shore Baywood Bay Wood Fort Salonga East Northport
More Weather in United States
Maryland Heights Marysville Maryville Masaryktown Mascot Mascotte Mascoutah Mashpee Mason Mason City Mason County Mason Crossing Masonboro Masontown Masonville Massac Massac County Massachusetts Massanetta Springs Massanova Massanutten Massapequa Massapequa Park Massard Massena Massena Center Massillon Mastic Mastic Beach Masury Matador Matagorda County Matamoras Matanuska-Susitna Borough Matawan Matheny Mather Field Mathews Mathis Matkins