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Princeton, Kentucky

City in Caldwell County, Kentucky

Air quality

The air at Princeton

Index 53, moderate, led by fine particles. Read at 1 AM from its reporting area, Clarksville-Montgomery County (TN), 34 miles off.

53Moderate
  • Fine particles (PM2.5)53Moderate-
  • Ozone37Good-

The days ahead

Good each day through Sat Oct 17, led by fine particles. Yesterday measured 42, good.

Smoke, the next 43 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 Princeton

0.36 in in the last 24 hours, 1.60 in over the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.36in
Last 3 days
1.60in

Visibility

How far you can see at Princeton, the next 43 hours

Visibility stays 9 miles or more through Sat 7 PM, lowest 9 miles Fri 4 AM.

FriSat

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

What is measuring near here

The 7 instruments nearest Princeton, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.6 miles away.

measured now5 instruments

Princeton #1S2005

At a soil climate station/2.8 mi away/615 ft/129 ft above here

temp, humidity, soil temp, soil moisture

Rank503of 692

MarionGDA

At an airfield/19.9 mi away/617 ft/131 ft above here

temp, wind, gust, visibility, precip, pressure

Rank494of 692

I-69 at mile 116.502_69_116

Beside a road/27.6 mi away/-/- ft from here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

Princeton 2.4 SSWKY-CA-1

In a volunteer observer's own ground/2.6 mi away/436 ft/50 ft below here

precip, snowfall, snow depth

Rank-

Eddyville 5SEDYK2

At a cooperative observer's station/11.3 mi away/443 ft/43 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Marion, drawn

The nearest airport reporting now, 19.9 mi from Princeton, Kentucky. From its report of Oct 15, 2026, 11:55 PM local time: 3 of its 6 sheets.

The sky

Scattered at 8,500 ft; visibility 10 mi or more.

Section of the sky over Marion, height above the station to scale: scattered cloud with its base at 8,500 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GDAFIG. A THE SKY OVER MARIONSECTION, 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 STATION02,5005,0007,50010,00012,50015,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTSCT 8,500 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLEMarion, the skySTATION REPORT · ASOS GDATYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-GDA-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

73.0 F with a dew point of 58.0 F, 59 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,500 ft up; the lowest cloud reported is at 8,500 ft.

Chart of the air at Marion: temperature 73.0 degrees Fahrenheit and dew point 58.0, 59 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,500 feet above the station, against the lowest cloud reported at 8,500 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GDAFIG. B THE AIR AT MARIONTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00040 F50 F60 F70 F80 FSATURATES 3,500 FT ABOVE THE STATION, AT 54.6 FLOWEST CLOUD REPORTED, SCT 8,500 FTTEMPERATURE 73.0 FDEW POINT 58.0 FSPREAD 15.0 FRELATIVE HUMIDITY 59 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 POINTTITLEMarion, the airSTATION REPORT · ASOS GDATYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-GDA-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southwest (230 degrees) at 7 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Marion, north up: blowing from 230 degrees, the southwest, 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 GDAFIG. C THE WIND AT MARIONPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 230°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMarion, the windSTATION REPORT · ASOS GDATYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-GDA-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Eddyville 5S (EDYK2), 11.3 miles from here, read 11 Oct, 12:00. measured daily

Elsewhere in Kentucky

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

Near Princeton

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

Near Princeton

River and lake gauges