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Princeton, South Carolina

Community in Laurens County, South Carolina

Air quality

The air at Princeton

Index 70, moderate, led by fine particles. Read at 5 PM from its reporting area, Greenville-Spartanburg (SC), 31 miles off.

70Moderate
  • Fine particles (PM2.5)70Moderate-
  • Ozone43Good49 ppb18.3 mi
  • Coarse particles (PM10)20Good-

The days ahead

Yesterday measured 62, moderate.

Smoke, the next 45 hours

Little smoke near the ground through Sun 2 PM: the index from smoke stays at 28 or under.

FriSatSun

Precipitation

What has fallen at Princeton

None in the last 3 days, to Fri 5 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 Princeton, the next 45 hours

Visibility stays 9 miles or more through Sun 2 PM, lowest 9 miles Fri 9 PM.

FriSatSun

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

What is measuring near here

The 6 instruments nearest Princeton, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.7 miles away.

measured now4 instruments

I-385 @ US-221SC010

Beside a road/17.1 mi away/715 ft/28 ft below here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

Princeton 5.1 NSC-GV-127

In a volunteer observer's own ground/5.7 mi away/753 ft/10 ft above here

precip, snowfall, snow depth

Rank-

Ware Shoals 2WASS1

At a cooperative observer's station/6.5 mi away/623 ft/120 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Greenwood County Airport, drawn

The nearest airport reporting now, 18.4 mi from Princeton, South Carolina. From its report of Oct 16, 2026, 5:56 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 Greenwood County Airport, 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 GRDFIG. A THE SKY OVER GREENWOOD COUNTY AIRPORTSECTION, 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 MORE0510TITLEGreenwood County Airport, the skySTATION REPORT · ASOS GRDTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-GRD-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

81.0 F with a dew point of 63.0 F, 54 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 4,200 ft up.

Chart of the air at Greenwood County Airport: temperature 81.0 degrees Fahrenheit and dew point 63.0, 54 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 4,200 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GRDFIG. B THE AIR AT GREENWOOD COUNTY AIRPORTTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,00050 F60 F70 F80 F90 FSATURATES 4,200 FT ABOVE THE STATION, AT 58.8 FTEMPERATURE 81.0 FDEW POINT 63.0 FSPREAD 18.0 FRELATIVE HUMIDITY 54 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 POINTTITLEGreenwood County Airport, the airSTATION REPORT · ASOS GRDTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-GRD-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. The strongest gust today was 24 mph.

Plan of the wind at Greenwood County Airport, 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 GRDFIG. C THE WIND AT GREENWOOD COUNTY AIRPORTPLAN, 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 FORCE73TITLEGreenwood County Airport, the windSTATION REPORT · ASOS GRDTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-GRD-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in South Carolina

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