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Ruby, South Carolina

Town in Chesterfield County, South Carolina

Air quality

The air at Ruby

Index 13, good, led by ozone. Read at 11 PM from its reporting area, Union County (NC), 26 miles off.

13Good
  • Fine particles (PM2.5)-8.7 mi
  • Ozone13Good48 ppb8.7 mi

The days ahead

Highest 71, moderate, today, led by ozone. Yesterday measured 47, good.

Smoke, the next 46 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 33 or under.

FriSat

Precipitation

What has fallen at Ruby

None in the last 3 days, to Thu 10 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 Ruby, the next 46 hours

Visibility stays 8 miles or more through Sat 8 PM, lowest 9 miles Fri 8 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Ruby, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.6 miles away.

measured now4 instruments

CherawCQW

At an airfield/13.0 mi away/239 ft/135 ft below here

temp, wind, gust, visibility, precip, pressure

Rank210of 1,128

Pee DeeS2037

At a soil climate station/39.9 mi away/120 ft/254 ft below here

temp, humidity, soil temp, soil moisture

Rank777of 1,128

measured daily2 instruments

ChesterfieldCTFS1

At a cooperative observer's station/8.3 mi away/220 ft/154 ft below here

snowfall, snow depth, precip, high, low

Rank1,071of 1,128

Station report

The weather at Cheraw, drawn

The nearest airport reporting now, 13.0 mi from Ruby, South Carolina. From its report of Oct 15, 2026, 11:15 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 Cheraw, 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 CQWFIG. A THE SKY OVER CHERAWSECTION, 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 MORE0510TITLECheraw, the skySTATION REPORT · ASOS CQWTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-CQW-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

71.6 F with a dew point of 66.2 F, 83 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,300 ft up.

Chart of the air at Cheraw: temperature 71.6 degrees Fahrenheit and dew point 66.2, 83 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,300 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CQWFIG. B THE AIR AT CHERAWTHE 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 1,300 FT ABOVE THE STATION, AT 64.9 FTEMPERATURE 71.6 FDEW POINT 66.2 FSPREAD 5.4 FRELATIVE HUMIDITY 83 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 POINTTITLECheraw, the airSTATION REPORT · ASOS CQWTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-CQW-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southwest (210 degrees) at 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Cheraw, north up: blowing from 210 degrees, the south southwest, at 3 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CQWFIG. C THE WIND AT CHERAWPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 210°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECheraw, the windSTATION REPORT · ASOS CQWTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-CQW-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Chesterfield (CTFS1), 8.3 miles from here, read 14 Oct, 09:30. measured daily

Elsewhere in South Carolina

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

Near Ruby

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

Near Ruby

River and lake gauges