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Rochester, Kentucky

City in Butler County, Kentucky

Air quality

The air at Rochester

Index 47, good, led by fine particles. Read at 11 PM from its reporting area, Bowling Green (KY), 28 miles off.

47Good
  • Fine particles (PM2.5)47Good-
  • Ozone28Good-

The days ahead

Yesterday measured 39, good.

Smoke, the next 44 hours

Little smoke near the ground through Sat 7 PM: the index from smoke stays at 11 or under.

FriSat

Precipitation

What has fallen at Rochester

0.23 in in the last 24 hours, 1.05 in over the last 3 days, to Thu 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.23in
Last 3 days
1.05in

Visibility

How far you can see at Rochester, the next 44 hours

Visibility stays 9 miles or more through Sat 7 PM, lowest 9 miles Fri 5 AM.

FriSat

On the radar over Rochester, KentuckyReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 7 instruments nearest Rochester, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.6 miles away.

measured now5 instruments

I-165 at mile 26.203_165_0262

Beside a road/10.6 mi away/-/- ft from here

temp, pavement temp, wind, visibility, precip

Rank-

GreenvilleM21

At an airfield/14.6 mi away/412 ft/12 ft below here

temp, wind, gust, visibility, precip, pressure

Rank493of 692

measured daily2 instruments

Rochester 0.8 EKY-BU-10

In a volunteer observer's own ground/0.9 mi away/483 ft/59 ft above here

precip, snowfall, snow depth

Rank44of 692

Station report

The weather at Greenville, drawn

The nearest airport reporting now, 14.6 mi from Rochester, Kentucky. From its report of Oct 15, 2026, 11:55 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 Greenville, 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 M21FIG. 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 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 MORE0510TITLEGreenville, the skySTATION REPORT · ASOS M21TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-M21-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

71.0 F with a dew point of 63.0 F, 76 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,900 ft up.

Chart of the air at Greenville: temperature 71.0 degrees Fahrenheit and dew point 63.0, 76 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,900 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT M21FIG. 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 STATION01,0002,0003,00050 F60 F70 F80 FSATURATES 1,900 FT ABOVE THE STATION, AT 61.1 FTEMPERATURE 71.0 FDEW POINT 63.0 FSPREAD 8.0 FRELATIVE HUMIDITY 76 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 M21TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-M21-2DRAWN 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 M21FIG. 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 M21TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-M21-3DRAWN 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

-

Snow on the ground

Elsewhere in Kentucky

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

Near Rochester

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

Near Rochester

River and lake gauges