Storm Station
South Sumter, South Carolina
59°
Clear· Feels like 59°·Light air 4 mph NNW
Sunny, with a high near 82. Northwest wind 2 to 7 mph.
-UV
-Air quality
83%Humidity
2%Cloud

What is measuring near here

The 5 instruments nearest South Sumter, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.5 miles away.

measured now3 instruments

Sumter [CCOOP]SMRS1

At a river or reservoir gauge/3.1 mi away/184 ft/29 ft above here

temp, wind, gust, humidity, pressure

Rank369of 378

SumterSMS

At an airfield/7.4 mi away/182 ft/27 ft above here

temp, wind, gust, visibility, precip, pressure

Rank292of 378

I-20 @ I-77SC012

Beside a road/35.6 mi away/295 ft/140 ft above here

temp, pavement temp, wind, visibility, precip

Rank273of 378

measured daily2 instruments

Sumter 2.6 SSESC-SM-23

In a volunteer observer's own ground/2.5 mi away/156 ft/1 ft above here

precip, snowfall, snow depth

Rank-

ManningMANS1

At a cooperative observer's station/14.7 mi away/144 ft/11 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Sumter, drawn

The nearest airport reporting now, 7.4 mi from South Sumter. From its report of Sep 27, 2026, 9:10 AM 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 Sumter, 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 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 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 MORE0510TITLESumter, the skySTATION REPORT · ASOS SMSTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-SMS-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

62.6 F with a dew point of 55.4 F, 77 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,700 ft up.

Chart of the air at Sumter: temperature 62.6 degrees Fahrenheit and dew point 55.4, 77 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,700 feet above the station; 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 STATION01,0002,0003,00040 F50 F60 F70 FSATURATES 1,700 FT ABOVE THE STATION, AT 53.7 FTEMPERATURE 62.6 FDEW POINT 55.4 FSPREAD 7.2 FRELATIVE HUMIDITY 77 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 6DATE2026-09-27IDSR-SMS-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (10 degrees) at 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Sumter, north up: blowing from 10 degrees, the north, 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 10°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 6DATE2026-09-27IDSR-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

-in

Snow on the ground

Elsewhere in South Carolina

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

Near South Sumter

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