Holtsville is a hamlet and census-designated place (CDP) in Suffolk County, on Long Island, in New York, United States. As of the 2020 census, Holtsville had a population of 18,937.
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The hamlet is mainly in the Town of Brookhaven, while the southwestern portion is in the Town of Islip. An IRS Processing Center is located in Holtsville, along with NYPA's Richard M. Flynn Power Plant.
From the Wikipedia article Holtsville, New York, CC BY-SA 4.0.
Weather
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Forecast by Open-Meteo from national weather models. A forecast, not a measurement.
The past twelve months
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ERA5 reanalysis from Copernicus, via Open-Meteo. Modelled on a ~25 km grid, not measured at a station.
Air right now
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CAMS European and global air quality forecast, via Open-Meteo. Modelled on an 11–40 km grid; European AQI bands from the EEA.
Nearby on Wikipedia
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Articles with coordinates within 10 km, from English Wikipedia.
Towns around Holtsville
- Farmingville2.2 km NE
- Holbrook2.8 km W
- Medford3.8 km E
- Selden5.7 km N
- Centereach6.6 km NW
- East Patchogue6.8 km SE
- Coram7.0 km NE
- Lake Ronkonkoma7.6 km W
Straight-line distance and compass bearing from the town centre.