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Old Westbury, New York

Village in Nassau County, New York

Air quality

The air at Old Westbury

Index 25, good, led by ozone. Read at 12 AM from its reporting area, Long Island Region (NY), 2 miles off.

25Good
  • Fine particles (PM2.5)19Good11.9 mi
  • Ozone25Good18 ppb10.8 mi
  • Nitrogen dioxide4Good4 ppb19.6 mi
  • Sulfur dioxide0Good0 ppb24.7 mi
  • Carbon monoxide-0.1 ppm19.6 mi

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 51, moderate.

Smoke, the next 44 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Old Westbury

None in the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at Old Westbury, the next 44 hours

Mist or haze: visibility falls to 1 miles Fri 8 PM.

FriSat

On the radar over Old Westbury, New YorkReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Old Westbury, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.5 miles away.

measured now4 instruments

SchodackNY003

Beside a road/0.5 mi away/328 ft/154 ft above here

temp, pavement temp, wind, visibility, precip

Rank1,057of 1,432

measured daily2 instruments

Westbury 0.9 SWNY-NS-81

In a volunteer observer's own ground/2.8 mi away/106 ft/68 ft below here

precip, snowfall, snow depth

Rank-

SyossetSYON6

At a cooperative observer's station/6.1 mi away/251 ft/77 ft above here

snowfall, snow depth, precip, high, low

Rank28of 1,432

Station report

The weather at Farmingdale/Republc, drawn

The nearest airport reporting now, 10.5 mi from Old Westbury, New York. From its report of Oct 16, 2026, 12:53 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 2,600 ft, broken at 9,000 ft, overcast at 12,000 ft; the ceiling is 9,000 ft; visibility 10 mi or more.

Section of the sky over Farmingdale/Republc, height above the station to scale: a few clouds cloud with its base at 2,600 feet, broken cloud with its base at 9,000 feet, overcast cloud with its base at 12,000 feet, the ceiling at 9,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FRGFIG. A THE SKY OVER FARMINGDALE/REPUBLCSECTION, HEIGHT ABOVE THE STATION TO SCALE, EACH LAYER AT THE HEIGHT OF ITS BASE AS REPORTED; COVER IN EIGHTHS OF THE SKY; TOPS NOT MEASUREDFT ABOVE THE STATION02,5005,0007,50010,00012,50015,00017,50020,000ETAGESLOWMIDDLEHIGHTHE STATIONTHE CEILOMETER READS TO 12,000 FTOVC 12,000 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 9,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYFEW 2,600 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYCEILING 9,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEFarmingdale/Republc, the skySTATION REPORT · ASOS FRGTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-FRG-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018, FB-SKY-013, FB-SKY-014

The air

58.0 F with a dew point of 51.0 F, 77 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,600 ft up; the lowest cloud reported is at 2,600 ft.

Chart of the air at Farmingdale/Republc: temperature 58.0 degrees Fahrenheit and dew point 51.0, 77 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,600 feet above the station, against the lowest cloud reported at 2,600 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FRGFIG. B THE AIR AT FARMINGDALE/REPUBLCTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00040 F50 F60 F70 FSATURATES 1,600 FT ABOVE THE STATION, AT 49.4 FLOWEST CLOUD REPORTED, FEW 2,600 FTTEMPERATURE 58.0 FDEW POINT 51.0 FSPREAD 7.0 FRELATIVE HUMIDITY 77 PER CENTTHE AIR COOLS ABOUT 5.4 F EACH 1,000 FT IT RISES, AND ITS DEW POINT ABOUT 1 FSOLID: THE LIFTED AIR'S TEMPERATURE; DASHED: ITS DEW POINTTITLEFarmingdale/Republc, the airSTATION REPORT · ASOS FRGTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-FRG-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southeast (140 degrees) at 7 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Farmingdale/Republc, north up: blowing from 140 degrees, the southeast, at 7 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FRGFIG. C THE WIND AT FARMINGDALE/REPUBLCPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 140°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEFarmingdale/Republc, the windSTATION REPORT · ASOS FRGTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-FRG-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Farmingdale/Republc, in 6 sheets, each beside the Field Book plates that explain it

-

Snow on the ground

Elsewhere in New York

29 places, each with its own forecast and its own instruments.

Near Old Westbury

The nearest places, each with its own forecast and the instruments nearest it.

Near Old Westbury

River and lake gauges