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Setauket, NY Weather

Today: Sunny, high 65°F, low 55°F. Hourly and 10-day forecast from the National Weather Service. Times are local (EDT).

Setauket, NY current weather

63°F

Sunny

Forecast for this hour. No recent report from a nearby station.

H 65° / L 55°

  • No rain expected in the next 12 hours

No recent station report. NWS hourly forecast updated 10/28/2026, 11:30 PM PT

Hourly forecast

NWS, updated 10/28/2026, 11:30 PM PT

  1. Now63°
  2. 1 PM64°
  3. 2 PM65°
  4. 3 PM65°
  5. 4 PM65°
  6. 5 PM64°
  7. 6 PM62°
  8. 7 PM59°
  9. 8 PM56°
  10. 9 PM56°
  11. 10 PM56°
  12. 11 PM56°
  13. 12 AM56°Fri
  14. 1 AM56°
  15. 2 AM56°
  16. 3 AM56°
  17. 4 AM56°
  18. 5 AM55°
  19. 6 AM55°
  20. 7 AM55°
  21. 8 AM56°
  22. 9 AM59°
  23. 10 AM62°
  24. 11 AM65°
  25. 12 PM66°
  26. 1 PM67°
  27. 2 PM67°
  28. 3 PM68°
  29. 4 PM66°
  30. 5 PM65°
  31. 6 PM62°
  32. 7 PM57°
  33. 8 PM53°
  34. 9 PM52°
  35. 10 PM51°
  36. 11 PM49°
  37. 12 AM48°Sat
  38. 1 AM47°
  39. 2 AM47°
  40. 3 AM47°
  41. 4 AM46°
  42. 5 AM46°
  43. 6 AM45°
  44. 7 AM45°
  45. 8 AM45°
  46. 9 AM47°
  47. 10 AM49°
  48. 11 AM52°

10-day forecast

Tap a day for details

  • Today10/29Low 55°High 65°

    This Afternoon: Sunny, with a high near 65. Southwest wind around 9 mph.

    Tonight: Mostly clear, with a low around 55. Southwest wind around 9 mph.

    Sunny
  • Fri10/30Low 45°High 68°

    Friday: Sunny. High near 68, with temperatures falling to around 65 in the afternoon. West wind 7 to 17 mph, with gusts as high as 28 mph.

    Friday Night: Mostly clear, with a low around 45. Northwest wind 9 to 17 mph.

    Sunny
  • Sat10/31Low 44°High 58°

    Saturday: Sunny, with a high near 58. Northwest wind 6 to 9 mph.

    Saturday Night: Partly cloudy, with a low around 44.

    Sunny
  • Sun11/1Low 50°High 60°

    Sunday: Mostly sunny, with a high near 60.

    Sunday Night: Partly cloudy, with a low around 50.

    Mostly Sunny
  • Mon11/2Low 52°High 64°

    Monday: Partly sunny, with a high near 64.

    Monday Night: Mostly cloudy, with a low around 52.

    Partly Sunny
  • Tue11/319% chance of precipitationLow 52°High 64°

    Tuesday: Partly sunny, with a high near 64.

    Tuesday Night: A slight chance of rain showers after 7pm. Mostly cloudy, with a low around 52.

    Partly Sunny
  • Wed11/434% chance of precipitationLow 53°High 64°

    Wednesday: A chance of rain showers. Partly sunny, with a high near 64. Chance of precipitation is 30%.

    Wednesday Night: A chance of rain showers. Mostly cloudy, with a low around 53.

    Chance Rain Showers
  • Thu11/5Model blend56% chance of precipitationLow 54°High 68°

    Thursday: Chance of rain. High near 68°. Low that night near 54°. About 0.65 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 blend56% chance of precipitationLow 49°High 66°

    Friday: Chance of rain. High near 66°. Low that night near 49°. About 1.62 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.

  • Sat11/7Model blend46% chance of precipitationLow 44°High 62°

    Saturday: Chance of rain. High near 62°. Low that night near 44°. 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 40.947, -73.116 from the NWS OKX office, updated 10/28/2026, 11:30 PM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KISP (Islip/Macarthur Arpt, 11 mi), model run 10/29/2026, 10:00 AM 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. Now63°Sunny1%7 mph
  2. 1 PM64°Sunny1%7 mph
  3. 2 PM65°Sunny1%8 mph
  4. 3 PM65°Sunny1%9 mph
  5. 4 PM65°Sunny1%9 mph
  6. 5 PM64°Sunny1%9 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the high temperature today in Setauket, NY?
The National Weather Service forecast for this afternoon calls for a high near 65°F. Sunny.
Will it rain in Setauket, NY 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 Setauket, NY?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 5 to Nov 7) come from the NOAA National Blend of Models, with highs of 62°F to 68°F and up to a 56% chance of precipitation. Model guidance this far out often changes.
What time is sunrise and sunset in Setauket, NY today?
Sunrise is about 7:20 AM EDT and sunset is about 5:52 PM EDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Setauket, NY?
At Setauket Strong, the 1991 to 2020 normal high in October is 64°F and the normal low is 49°F.

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:
    • Minor floodingHog Island Channel at Island Park (IN MLLW)36.7 mi
  • Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast today (Stratford)
54ModeratePM2.5

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
7:20 AM
Sunset
5:52 PM
Daylight
10 hr 32 min
Moon
Waning Gibbous 87% lit
First light (civil dawn)
6:51 AM
Last light (civil dusk)
6:20 PM
Moonrise
8:15 PM
Moonset
11:33 AM

Normal October weather

Climate

Normal October high 64°, low 49°. 1991 to 2020 normals at Setauket Strong, 1 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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