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McCormick, South Carolina

Town in McCormick County, South Carolina

Air quality

The air at McCormick

Index 24, good, led by ozone. Read at 10 AM from its reporting area, Aiken-Augusta - SC and GA (SC), 42 miles off.

24Good
  • Fine particles (PM2.5)14Good-
  • Ozone24Good-

The days ahead

Yesterday measured 73, moderate.

Smoke, the next 46 hours

No smoke near the ground through Mon 8 AM.

SatSunMon

Precipitation

What has fallen at McCormick

0.09 in in the last 24 hours, and none in the 2 days before, to Sat 10 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.09in
Last 3 days
0.09in

Visibility

How far you can see at McCormick, the next 46 hours

Visibility stays 10 miles or more through Mon 8 AM.

SatSunMon

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

What is measuring near here

The 6 instruments nearest McCormick, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.9 miles away.

measured now4 instruments

Plumb Branch Lake ThurmondPLBS1

At a river or reservoir gauge/6.5 mi away/358 ft/115 ft below here

temp, wind, gust, humidity, pressure

Rank-

Greenwood County AirportGRD

At an airfield/24.1 mi away/630 ft/157 ft above here

temp, wind, gust, visibility, precip, pressure

Rank-

Citizen station CW8046CW8046

In a volunteer observer's own ground/30.2 mi away/460 ft/13 ft below here

temp, humidity, wind, precip, pressure

Rank-

US-25 @ I-20SC014

Beside a road/31.8 mi away/499 ft/26 ft above here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

McCormick 2.3 WSC-MC-5

In a volunteer observer's own ground/2.9 mi away/468 ft/5 ft below here

precip, snowfall, snow depth

Rank-

McCormickMCCS1

At a cooperative observer's station/7.7 mi away/465 ft/8 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Greenwood County Airport, drawn

The nearest airport reporting now, 24.1 mi from McCormick, South Carolina. From its report of Oct 17, 2026, 9:56 AM local time: 3 of its 6 sheets.

The sky

Scattered at 9,000 ft; visibility 10 mi or more.

Section of the sky over Greenwood County Airport, height above the station to scale: scattered cloud with its base at 9,000 feet, 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 STATION02,5005,0007,50010,00012,50015,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTSCT 9,000 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLEGreenwood County Airport, the skySTATION REPORT · ASOS GRDTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-GRD-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

58.0 F with a dew point of 42.0 F, 55 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,700 ft up; the lowest cloud reported is at 9,000 ft.

Chart of the air at Greenwood County Airport: temperature 58.0 degrees Fahrenheit and dew point 42.0, 55 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,700 feet above the station, against the lowest cloud reported at 9,000 feet; 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 STATION02,0004,0006,0008,00010,00012,00030 F40 F50 F60 F70 FSATURATES 3,700 FT ABOVE THE STATION, AT 38.5 FLOWEST CLOUD REPORTED, SCT 9,000 FTTEMPERATURE 58.0 FDEW POINT 42.0 FSPREAD 16.0 FRELATIVE HUMIDITY 55 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 6DATE2026-10-17IDSR-GRD-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (350 degrees) at 10 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 24 mph.

Plan of the wind at Greenwood County Airport, north up: blowing from 350 degrees, the north, at 10 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle 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 350°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEGreenwood County Airport, the windSTATION REPORT · ASOS GRDTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-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

0in

Snow on the ground

Measured at McCormick (MCCS1), 7.7 miles from here, read 17 Oct, 08:00. measured daily

Elsewhere in South Carolina

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

Near McCormick

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

Near McCormick

River and lake gauges