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Ronkonkoma, NY 11779 Weather
Today: Partly Sunny, high 61°F, low 47°F. Hourly and 10-day forecast from the National Weather Service. Times are local (EDT).
Ronkonkoma, NY 11779 current weather
56°F
Mostly Sunny
Forecast for this hour. No recent report from a nearby station.
H 61° / L 47°
No rain expected in the next 12 hours
No recent station report. NWS hourly forecast updated 10/28/2026, 2:51 AM PT
Hourly forecast
NWS, updated 10/28/2026, 2:51 AM PT
10-day forecast
Tap a day for details
Today10/28Low 47°High 61°
Today: Partly sunny. High near 61, with temperatures falling to around 59 in the afternoon. Southeast wind 5 to 8 mph.
Tonight: Partly cloudy, with a low around 47. South wind 0 to 7 mph.
Partly SunnyThu10/29Low 53°High 66°
Thursday: Sunny. High near 66, with temperatures falling to around 64 in the afternoon. Southwest wind 0 to 12 mph.
Thursday Night: Mostly clear. Low around 53, with temperatures rising to around 55 overnight. Southwest wind around 10 mph.
SunnyFri10/30Low 43°High 70°
Friday: Sunny. High near 70, with temperatures falling to around 67 in the afternoon. West wind 9 to 13 mph.
Friday Night: Mostly clear. Low around 43, with temperatures rising to around 45 overnight.
SunnySat10/31Low 43°High 60°
Saturday: Sunny, with a high near 60.
Saturday Night: Partly cloudy, with a low around 43.
SunnySun11/1Low 49°High 63°
Sunday: Mostly sunny, with a high near 63.
Sunday Night: Mostly cloudy, with a low around 49.
Mostly SunnyMon11/229% chance of precipitationLow 50°High 66°
Monday: A slight chance of rain showers after 7am. Partly sunny, with a high near 66.
Monday Night: A chance of rain showers. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Slight Chance Rain ShowersTue11/334% chance of precipitationLow 47°High 64°
Tuesday: A chance of rain showers. Partly sunny, with a high near 64. Chance of precipitation is 30%.
Tuesday Night: A chance of rain showers. Mostly cloudy, with a low around 47.
Chance Rain ShowersWed11/4Model blend44% chance of precipitationLow 50°High 62°
Wednesday: Chance of rain. High near 62°. Low that night near 50°. About 0.97 in of precipitation.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Thu11/5Model blend47% chance of precipitationLow 50°High 63°
Thursday: Chance of rain. High near 63°. Low that night near 50°. About 0.78 in of precipitation.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Fri11/6Model blend39% chance of precipitationLow High 62°
Friday: Chance of rain. High near 62°. About 0.41 in of precipitation.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Forecast for 40.816, -73.123 from the NWS OKX office, updated 10/28/2026, 2:51 AM PT · Official forecast on weather.gov
Days 8 to 10: NOAA National Blend of Models, station KISP (Islip/Macarthur Arpt, 2 mi), model run 10/27/2026, 7:00 PM EDT
From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.
Next 6 hours
NWS hourly forecast
- Now56°Mostly Sunny2%5 mph
- 12 PM59°Mostly Sunny2%6 mph
- 1 PM59°Mostly Sunny2%7 mph
- 2 PM60°Mostly Sunny2%8 mph
- 3 PM61°Partly Sunny2%8 mph
- 4 PM59°Partly Sunny2%8 mph
Hourly details
Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShowHide
NWS hourly forecast updated 10/28/2026, 2:51 AM PT
Radar and satellite
National radarNEXRAD (last 50 min) and GOES
Nearby hazards
New York hazardsSevere storm and flash flood outlooks, expected rain, river flooding and wildfires near this area
- Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
- Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
- River gauges within 40 miles at or above flood stage: None reported
- Active wildfires within 50 miles: None reported
UV and air quality forecast
EPA and AirNow
- UV index today (Ronkonkoma)
- 3Moderate
- 110a
- 211a
- 312p
- 31p
- 32p
- 23p
- 14p
Drought
By countySuffolk County, week of 10/20/2026
23% of the county is abnormally dry. No drought.
Tides nearby
NOAA tide stations
Beaches nearby
EPA BEACON beaches
- West Oaks Recreation Club6.4 mi
- Sayville Marina Park6.9 mi
- Corey Beach7 mi
- Bayport Beach7.1 mi
Sun and moon
Local time, center of the area
- Sunrise
- 7:18 AM
- Sunset
- 5:53 PM
- Daylight
- 10 hr 35 min
- Moon
- Waning Gibbous 93% lit
- First light (civil dawn)
- 6:50 AM
- Last light (civil dusk)
- 6:22 PM
- Moonrise
- 7:15 PM
- Moonset
- 10:21 AM
Normal October weather
ClimateNormal October high 64°, low 47°, precipitation 3.97 in for the month. 1991 to 2020 normals at Islip Li Macarthur AP, 2 mi away.
Other places nearby
Data sources
- National Weather Service APINOAA
- National Blend of Models (NBM) text guidanceNOAA National Weather Service
- Convective Outlooks and Storm ReportsNOAA Storm Prediction Center
- Excessive Rainfall Outlook and Quantitative Precipitation ForecastsNOAA Weather Prediction Center
- National Water Prediction ServiceNOAA National Weather Service
- WFIGS Current Wildland Fire IncidentsNational Interagency Fire Center
- UV Index Forecast (Envirofacts)U.S. Environmental Protection Agency and NOAA
- AirNowU.S. Environmental Protection Agency
- NWS HeatRisk (experimental)NOAA National Weather Service
- U.S. Drought MonitorNational Drought Mitigation Center, USDA and NOAA
- BEACON 2.0 Beach Advisory and Closing On-line NotificationU.S. Environmental Protection Agency
- U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information
- Tides & Currents (CO-OPS API)NOAA Center for Operational Oceanographic Products and Services
- NEXRAD radar tilesIowa Environmental Mesonet, Iowa State University
- GOES-East and GOES-West GeoColor imageryNOAA NESDIS Center for Satellite Applications and Research
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Frequently asked questions
- What is the high temperature today in Ronkonkoma, NY 11779?
- The National Weather Service forecast for today calls for a high near 61°F. Partly Sunny.
- Will it rain in Ronkonkoma, NY 11779 in the next 24 hours?
- The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
- What is the 10-day forecast for Ronkonkoma, NY 11779?
- The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 4 to Nov 6) come from the NOAA National Blend of Models, with highs of 62°F to 63°F and up to a 47% chance of precipitation. Model guidance this far out often changes.
- What time is sunrise and sunset in Ronkonkoma, NY 11779 today?
- Sunrise is about 7:18 AM EDT and sunset is about 5:53 PM EDT (calculated for the center of the area, within a few minutes).
- What is the normal October weather in Ronkonkoma, NY 11779?
- At Islip Li Macarthur AP, the 1991 to 2020 normal high in October is 64°F and the normal low is 47°F.
About this data
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