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Greeneville, Tennessee

Town in Greene County, Tennessee

Air quality

The air at Greeneville

Index 56, moderate, led by fine particles. Read at 12 AM from its reporting area, Tri-Cities (TN), 35 miles off.

56Moderate
  • Fine particles (PM2.5)56Moderate-
  • Ozone21Good-
  • Coarse particles (PM10)19Good-

The days ahead

Good each day through Sat Oct 17, led by ozone. Yesterday measured 59, moderate.

Smoke, the next 45 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 17 or under.

FriSat

Precipitation

What has fallen at Greeneville

None in the last 3 days, to Thu 11 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 Greeneville, the next 45 hours

Visibility stays 8 miles or more through Sat 8 PM, lowest 9 miles Fri 11 PM.

FriSat

On the radar over Greeneville, TennesseeReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest Greeneville, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.3 miles away.

measured now3 instruments

GreenvilleGCY

At an airfield/2.3 mi away/1,598 ft/108 ft above here

temp, wind, gust, visibility, precip, pressure

Rank441of 1,019

Unicoi 1WNWUNIT1

At a river or reservoir gauge/24.9 mi away/2,482 ft/992 ft above here

temp, wind, gust, humidity, pressure

Rank414of 1,019

measured daily2 instruments

GreenevilleGEST1

At a cooperative observer's station/4.3 mi away/1,322 ft/168 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Greenville, drawn

The nearest airport reporting now, 2.3 mi from Greeneville, Tennessee. From its report of Oct 15, 2026, 11:55 PM local time: 3 of its 6 sheets.

The sky

Overcast at 3,900 ft; the ceiling is 3,900 ft; visibility 10 mi or more.

Section of the sky over Greenville, height above the station to scale: overcast cloud with its base at 3,900 feet, the ceiling at 3,900 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GCYFIG. A THE SKY OVER GREENVILLESECTION, 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 STATION01,0002,0003,0004,0005,0006,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 3,900 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 3,900 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEGreenville, the skySTATION REPORT · ASOS GCYTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-GCY-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

71.6 F with a dew point of 64.4 F, 78 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,700 ft up; the lowest cloud reported is at 3,900 ft.

Chart of the air at Greenville: temperature 71.6 degrees Fahrenheit and dew point 64.4, 78 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,700 feet above the station, against the lowest cloud reported at 3,900 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GCYFIG. B THE AIR AT GREENVILLETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,00050 F60 F70 F80 FSATURATES 1,700 FT ABOVE THE STATION, AT 62.6 FLOWEST CLOUD REPORTED, OVC 3,900 FTTEMPERATURE 71.6 FDEW POINT 64.4 FSPREAD 7.2 FRELATIVE HUMIDITY 78 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 POINTTITLEGreenville, the airSTATION REPORT · ASOS GCYTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-GCY-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Greenville, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GCYFIG. C THE WIND AT GREENVILLEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEGreenville, the windSTATION REPORT · ASOS GCYTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-GCY-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Tennessee

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

Near Greeneville

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

Near Greeneville

River and lake gauges