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Cayce, South Carolina

City in Lexington County, South Carolina

Air quality

The air at Cayce

Index 75, moderate, led by fine particles. Read at 12 AM from its reporting area, Columbia (SC), 12 miles off.

75Moderate
  • Fine particles (PM2.5)75Moderate11.1 mi
  • Ozone44Good25 ppb11.1 mi
  • Coarse particles (PM10)26Good11.1 mi
  • Nitrogen dioxide3Good3 ppb16.5 mi
  • Sulfur dioxide0Good0.3 ppb11.1 mi
  • Carbon monoxide-0.3 ppm11.1 mi

The days ahead

Yesterday measured 80, moderate.

Smoke, the next 44 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 50 or under.

FriSat

Precipitation

What has fallen at Cayce

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 Cayce, the next 44 hours

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

FriSat

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

What is measuring near here

The 6 instruments nearest Cayce, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.1 miles away.

measured now4 instruments

I-26 @ I-126SC011

Beside a road/4.6 mi away/210 ft/10 ft above here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

Cayce 0.7 NNWSC-LX-155

In a volunteer observer's own ground/0.1 mi away/189 ft/11 ft below here

precip, snowfall, snow depth

Rank-

Swansea 4NESWAS1

At a cooperative observer's station/14.3 mi away/316 ft/116 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Columbia Metro, drawn

The nearest airport reporting now, 3.4 mi from Cayce, South Carolina. From its report of Oct 15, 2026, 11:56 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 Columbia Metro, 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 CAEFIG. A THE SKY OVER COLUMBIA METROSECTION, 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 MORE0510TITLEColumbia Metro, the skySTATION REPORT · ASOS CAETYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-CAE-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

68.0 F with a dew point of 64.0 F, 87 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 900 ft up.

Chart of the air at Columbia Metro: temperature 68.0 degrees Fahrenheit and dew point 64.0, 87 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 900 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CAEFIG. B THE AIR AT COLUMBIA METROTHE 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 900 FT ABOVE THE STATION, AT 63.0 FTEMPERATURE 68.0 FDEW POINT 64.0 FSPREAD 4.0 FRELATIVE HUMIDITY 87 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 POINTTITLEColumbia Metro, the airSTATION REPORT · ASOS CAETYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-CAE-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Columbia Metro, 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 CAEFIG. C THE WIND AT COLUMBIA METROPLAN, 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 FORCE73TITLEColumbia Metro, the windSTATION REPORT · ASOS CAETYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-CAE-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Columbia Metro, 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 Cayce

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

Near Cayce

River and lake gauges