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Mayesville, South Carolina

Town in Sumter County, South Carolina

Air quality

The air at Mayesville

Index 59, moderate, led by fine particles. Read at 12 AM from its reporting area, Florence and Darlington (SC), 30 miles off.

59Moderate
  • Fine particles (PM2.5)59Moderate-
  • Ozone38Good-

The days ahead

Yesterday measured 74, moderate.

Smoke, the next 45 hours

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

SatSun

Precipitation

What has fallen at Mayesville

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

Visibility stays 4 miles or more through Sun 8 PM, lowest 5 miles Sat 8 AM.

SatSun

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

What is measuring near here

The 6 instruments nearest Mayesville, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.5 miles away.

measured now4 instruments

SumterSMS

At an airfield/9.2 mi away/182 ft/41 ft above here

temp, wind, gust, visibility, precip, pressure

Rank501of 1,111

Pee DeeS2037

At a soil climate station/34.5 mi away/120 ft/21 ft below here

temp, humidity, soil temp, soil moisture

Rank772of 1,111

measured daily2 instruments

Mayesville 0.5 NESC-SM-43

In a volunteer observer's own ground/0.5 mi away/140 ft/1 ft below here

precip, snowfall, snow depth

Rank-

BishopvilleBSPS1

At a cooperative observer's station/16.1 mi away/207 ft/66 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Sumter, drawn

The nearest airport reporting now, 9.2 mi from Mayesville, South Carolina. From its report of Oct 17, 2026, 12:15 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 12,000 ft; visibility 10 mi or more.

Section of the sky over Sumter, height above the station to scale: a few clouds cloud with its base at 12,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SMSFIG. A THE SKY OVER SUMTERSECTION, 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 STATION02,5005,0007,50010,00012,50015,00017,50020,000ETAGESLOWMIDDLEHIGHTHE STATIONTHE CEILOMETER READS TO 12,000 FTFEW 12,000 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLESumter, the skySTATION REPORT · ASOS SMSTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-SMS-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

73.4 F with a dew point of 64.4 F, 73 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,100 ft up; the lowest cloud reported is at 12,000 ft.

Chart of the air at Sumter: temperature 73.4 degrees Fahrenheit and dew point 64.4, 73 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,100 feet above the station, against the lowest cloud reported at 12,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SMSFIG. B THE AIR AT SUMTERTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,0008,00050 F60 F70 F80 FSATURATES 2,100 FT ABOVE THE STATION, AT 62.3 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, FEW 12,000 FTTEMPERATURE 73.4 FDEW POINT 64.4 FSPREAD 9.0 FRELATIVE HUMIDITY 73 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 POINTTITLESumter, the airSTATION REPORT · ASOS SMSTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-SMS-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south (190 degrees) at 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Sumter, north up: blowing from 190 degrees, the south, 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 SMSFIG. C THE WIND AT SUMTERPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 190°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESumter, the windSTATION REPORT · ASOS SMSTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-SMS-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Bishopville (BSPS1), 16.1 miles from here, read 16 Oct, 08:00. measured daily

Elsewhere in South Carolina

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

Near Mayesville

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

Near Mayesville

River and lake gauges