Storm Station
Sign in

Greenlawn, New York

Community in Suffolk County, New York

Air quality

The air at Greenlawn

Index 22, good, led by ozone. Read at 11 PM from its reporting area, Long Island Region (NY), 15 miles off.

22Good
  • Fine particles (PM2.5)20Good-
  • Ozone22Good-

The days ahead

Good each day through Fri Oct 16, led by fine particles. Yesterday measured 51, moderate.

Smoke, the next 46 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 Greenlawn

None in the last 3 days, to Thu 10 PM. 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 Greenlawn, the next 46 hours

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

FriSat

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

What is measuring near here

The 6 instruments nearest Greenlawn, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.8 miles away.

measured now4 instruments

measured daily2 instruments

East Northport 0.5 SSWNY-SF-14

In a volunteer observer's own ground/2.1 mi away/219 ft/11 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Farmingdale/Republc, drawn

The nearest airport reporting now, 9.2 mi from Greenlawn, New York. From its report of Oct 15, 2026, 10:53 PM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Farmingdale/Republc, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, 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 STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETNO CLOUD DETECTED BELOW 12,000 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

The air

57.0 F with a dew point of 47.0 F, 69 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,300 ft up.

Chart of the air at Farmingdale/Republc: temperature 57.0 degrees Fahrenheit and dew point 47.0, 69 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,300 feet above the station; 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 STATION01,0002,0003,00030 F40 F50 F60 F70 FSATURATES 2,300 FT ABOVE THE STATION, AT 44.8 FTEMPERATURE 57.0 FDEW POINT 47.0 FSPREAD 10.0 FRELATIVE HUMIDITY 69 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 8 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 28 mph.

Plan of the wind at Farmingdale/Republc, north up: blowing from 140 degrees, the southeast, at 8 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle 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 BREEZE43GENTLE BREEZE8NOW, 8 MPH4MODERATE 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

0in

Snow on the ground

Measured at Vanderbilt Museum (CTPN6), 1.8 miles from here, read 15 Oct, 08:00. measured daily

Elsewhere in New York

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

Near Greenlawn

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

Near Greenlawn

River and lake gauges