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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

  1. Now56°
  2. 12 PM59°
  3. 1 PM59°
  4. 2 PM60°
  5. 3 PM61°
  6. 4 PM59°
  7. 5 PM59°
  8. 6 PM56°
  9. 7 PM52°
  10. 8 PM51°
  11. 9 PM50°
  12. 10 PM49°
  13. 11 PM49°
  14. Thu12 AM49°
  15. 1 AM49°
  16. 2 AM49°
  17. 3 AM48°
  18. 4 AM47°
  19. 5 AM48°
  20. 6 AM48°
  21. 7 AM48°
  22. 8 AM49°
  23. 9 AM55°
  24. 10 AM59°
  25. 11 AM62°
  26. 12 PM64°
  27. 1 PM65°
  28. 2 PM65°
  29. 3 PM66°
  30. 4 PM64°
  31. 5 PM64°
  32. 6 PM61°
  33. 7 PM58°
  34. 8 PM57°
  35. 9 PM56°
  36. 10 PM56°
  37. 11 PM56°
  38. Fri12 AM56°
  39. 1 AM55°
  40. 2 AM55°
  41. 3 AM55°
  42. 4 AM55°
  43. 5 AM55°
  44. 6 AM54°
  45. 7 AM54°
  46. 8 AM55°
  47. 9 AM59°
  48. 10 AM63°

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 Sunny
  • Thu10/29Low 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.

    Sunny
  • Fri10/30Low 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.

    Sunny
  • Sat10/31Low 43°High 60°

    Saturday: Sunny, with a high near 60.

    Saturday Night: Partly cloudy, with a low around 43.

    Sunny
  • Sun11/1Low 49°High 63°

    Sunday: Mostly sunny, with a high near 63.

    Sunday Night: Mostly cloudy, with a low around 49.

    Mostly Sunny
  • Mon11/229% 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 Showers
  • Tue11/334% 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 Showers
  • Wed11/4Model 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

  1. Now56°Mostly Sunny2%5 mph
  2. 12 PM59°Mostly Sunny2%6 mph
  3. 1 PM59°Mostly Sunny2%7 mph
  4. 2 PM60°Mostly Sunny2%8 mph
  5. 3 PM61°Partly Sunny2%8 mph
  6. 4 PM59°Partly Sunny2%8 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gusts
Show
40°58°75°0%100%WedThuFriSatSunMonTue61°49°66°47°70°50°59°43°63°44°65°50°63°50°

Line: temperature °F. Bars: chance of precipitation.

  1. WedNow56°2%5
  2.  12 PM59°2%6
  3.  1 PM59°2%7
  4.  2 PM60°2%8
  5.  3 PM61°2%8
  6.  4 PM59°2%8
  7.  5 PM59°2%8
  8.  6 PM56°2%7
  9.  7 PM52°2%6
  10.  8 PM51°1%5
  11.  9 PM50°1%5
  12.  10 PM49°1%3
  13.  11 PM49°1%3
  14. Thu 10/2912 AM49°1%2
  15.  1 AM49°1%1
  16.  2 AM49°0%0
  17.  3 AM48°0%0
  18.  4 AM47°0%0
  19.  5 AM48°0%0
  20.  6 AM48°0%0
  21.  7 AM48°0%0
  22.  8 AM49°0%0
  23.  9 AM55°0%2
  24.  10 AM59°0%6
  25.  11 AM62°0%8
  26.  12 PM64°0%10
  27.  1 PM65°0%12
  28.  2 PM65°0%12
  29.  3 PM66°0%12
  30.  4 PM64°0%12
  31.  5 PM64°0%10
  32.  6 PM61°0%10
  33.  7 PM58°0%9
  34.  8 PM57°0%9
  35.  9 PM56°0%9
  36.  10 PM56°0%9
  37.  11 PM56°0%9
  38. Fri 10/3012 AM56°0%9
  39.  1 AM55°0%10
  40.  2 AM55°0%10
  41.  3 AM55°0%10
  42.  4 AM55°0%10
  43.  5 AM55°0%10
  44.  6 AM54°0%10
  45.  7 AM54°0%9
  46.  8 AM55°0%9
  47.  9 AM59°0%9
  48.  10 AM63°0%10
  49.  11 AM67°0%10
  50.  12 PM69°0%10
  51.  1 PM70°0%12
  52.  2 PM70°0%12
  53.  3 PM70°0%12
  54.  4 PM69°0%13
  55.  5 PM67°0%13
  56.  6 PM64°0%13
  57.  7 PM60°0%12
  58.  8 PM56°0%12
  59.  9 PM53°0%10
  60.  10 PM51°0%10
  61.  11 PM50°0%10
  62. Sat 10/3112 AM49°0%9
  63.  1 AM48°0%9
  64.  2 AM47°0%9
  65.  3 AM46°0%9
  66.  4 AM46°0%9
  67.  5 AM45°0%9
  68.  6 AM44°0%9
  69.  7 AM43°0%9
  70.  8 AM44°0%9
  71.  9 AM47°0%9
  72.  10 AM51°0%10
  73.  11 AM55°0%10
  74.  12 PM57°0%10
  75.  1 PM58°0%9
  76.  2 PM59°0%8
  77.  3 PM59°0%8
  78.  4 PM59°0%8
  79.  5 PM58°0%7
  80.  6 PM55°0%5
  81.  7 PM52°0%2
  82.  8 PM51°0%0
  83.  9 PM49°0%0
  84.  10 PM47°0%0
  85.  11 PM46°0%0
  86. Sun 11/112 AM45°0%0
  87.  1 AM44°0%0
  88.  1 AM44°0%0
  89.  2 AM44°0%0
  90.  3 AM44°0%0
  91.  4 AM44°0%0
  92.  5 AM44°0%0
  93.  6 AM44°0%0
  94.  7 AM45°1%0
  95.  8 AM49°1%1
  96.  9 AM54°1%3
  97.  10 AM59°1%6
  98.  11 AM61°1%7
  99.  12 PM62°1%8
  100.  1 PM62°1%9
  101.  2 PM63°1%9
  102.  3 PM63°1%9
  103.  4 PM62°1%9
  104.  5 PM60°1%8
  105.  6 PM58°1%8
  106.  7 PM56°3%7
  107.  8 PM55°3%7
  108.  9 PM54°3%6
  109.  10 PM53°3%6
  110.  11 PM52°3%6
  111. Mon 11/212 AM52°3%6
  112.  1 AM51°8%6
  113.  2 AM50°8%6
  114.  3 AM50°8%6
  115.  4 AM50°8%6
  116.  5 AM50°8%6
  117.  6 AM50°8%6
  118.  7 AM51°23%6
  119.  8 AM54°23%7
  120.  9 AM57°23%7
  121.  10 AM60°23%8
  122.  11 AM62°23%8
  123.  12 PM63°23%9
  124.  1 PM64°23%9
  125.  2 PM65°23%9
  126.  3 PM65°23%9
  127.  4 PM65°23%9
  128.  5 PM63°23%8
  129.  6 PM61°23%8
  130.  7 PM58°28%7
  131.  8 PM56°28%7
  132.  9 PM55°28%6
  133.  10 PM54°28%6
  134.  11 PM53°28%6
  135. Tue 11/312 AM52°28%6
  136.  1 AM52°29%6
  137.  2 AM52°29%6
  138.  3 AM51°29%7
  139.  4 AM51°29%8
  140.  5 AM50°29%9
  141.  6 AM50°29%12
  142.  7 AM51°28%13
  143.  8 AM53°28%14
  144.  9 AM56°28%14
  145.  10 AM59°28%14
  146.  11 AM61°28%14
  147.  12 PM61°28%14
  148.  1 PM62°27%14
  149.  2 PM63°27%14
  150.  3 PM63°27%15
  151.  4 PM63°27%15
  152.  5 PM61°27%14
  153.  6 PM58°27%14
  154.  7 PM55°30%13
  155.  8 PM53°30%13
  156.  9 PM52°30%14

Temperature °F · chance of precipitation · wind in mph

NWS hourly forecast updated 10/28/2026, 2:51 AM PT

Radar and satellite

National radar

NEXRAD (last 50 min) and GOES

Latest

Nearby hazards

New York hazards

Severe 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
  1. 110a
  2. 211a
  3. 312p
  4. 31p
  5. 32p
  6. 23p
  7. 14p

UV index guide · Air quality

Drought

By county

Suffolk 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

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

Climate

Normal 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

See something wrong? Request a correction

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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