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Harleyville, South Carolina

Town in Dorchester County, South Carolina

Air quality

The air at Harleyville

Index 23, good, led by fine particles. Read at 1 AM from its reporting area, Charleston (SC), 41 miles off.

23Good
  • Fine particles (PM2.5)23Good-
  • Ozone12Good-
  • Coarse particles (PM10)10Good-

The days ahead

Yesterday measured 41, good.

Smoke, the next 43 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 22 or under.

FriSat

Precipitation

What has fallen at Harleyville

None in the last 3 days, to Fri 1 AM. 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 Harleyville, the next 43 hours

Visibility stays 8 miles or more through Sat 8 PM, lowest 8 miles Fri 6 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Harleyville, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.

measured now4 instruments

Elevated Roadway I-26SC020

Beside a road/39.9 mi away/13 ft/76 ft below here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

St. George 2.8 NNESC-DC-32

In a volunteer observer's own ground/6.8 mi away/102 ft/13 ft above here

precip, snowfall, snow depth

Rank-

Holly HillHHLS1

At a cooperative observer's station/7.4 mi away/98 ft/9 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Summersville, drawn

The nearest airport reporting now, 14.2 mi from Harleyville, South Carolina. From its report of Oct 16, 2026, 2:15 AM local time: 3 of its 6 sheets.

The sky

Scattered at 3,700 ft; visibility 9 mi.

Section of the sky over Summersville, height above the station to scale: scattered cloud with its base at 3,700 feet, and visibility of 9 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DYBFIG. A THE SKY OVER SUMMERSVILLESECTION, 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 STATION01,0002,0003,0004,0005,0006,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETSCT 3,700 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYVISIBILITY, MILES: 9 MI0510TITLESummersville, the skySTATION REPORT · ASOS DYBTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-DYB-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

66.2 F with a dew point of 66.2 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 3,700 ft.

Chart of the air at Summersville: temperature 66.2 degrees Fahrenheit and dew point 66.2, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 3,700 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DYBFIG. B THE AIR AT SUMMERSVILLETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00060 F70 F80 FSATURATED AT THE GROUNDABOVE THIS SHEET: LOWEST CLOUD REPORTED, SCT 3,700 FTTEMPERATURE AND DEW POINT 66.2 F, 66.2 FRELATIVE HUMIDITY 100 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 POINTTITLESummersville, the airSTATION REPORT · ASOS DYBTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-DYB-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 Summersville, 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 DYBFIG. C THE WIND AT SUMMERSVILLEPLAN, 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 FORCE73TITLESummersville, the windSTATION REPORT · ASOS DYBTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-DYB-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Summersville, 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 Harleyville

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

Near Harleyville

River and lake gauges