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Grantville, Georgia

City in Coweta County, Georgia

Air quality

The air at Grantville

Index 52, moderate, led by fine particles. Read at 12 AM from its reporting area, Atlanta (GA), 37 miles off.

52Moderate
  • Fine particles (PM2.5)52Moderate-
  • Ozone32Good-
  • Coarse particles (PM10)9Good-

The days ahead

Good each day through Today, led by ozone. Yesterday measured 80, moderate.

Smoke, the next 45 hours

No smoke near the ground through Sun 8 PM.

SatSun

Precipitation

What has fallen at Grantville

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 Grantville, the next 45 hours

Visibility stays 10 miles or more through Sun 8 PM.

SatSun

On the radar over Grantville, GeorgiaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Grantville, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 6.5 miles away.

measured now4 instruments

measured daily2 instruments

Newnan 2.9 SGA-CW-30

In a volunteer observer's own ground/7.9 mi away/978 ft/125 ft above here

precip, snowfall, snow depth

Rank-

City Water PltCRLG1

At a cooperative observer's station/28.8 mi away/984 ft/131 ft above here

snowfall, snow depth, precip, high, low

Rank56of 1,262

Station report

The weather at Newnan Coweta County Airport, drawn

The nearest airport reporting now, 6.5 mi from Grantville, Georgia. From its report of Oct 17, 2026, 12:35 AM local time: 3 of its 6 sheets.

The sky

Scattered at 5,000 ft, overcast at 7,000 ft; the ceiling is 7,000 ft; visibility 10 mi or more.

Section of the sky over Newnan Coweta County Airport, height above the station to scale: scattered cloud with its base at 5,000 feet, overcast cloud with its base at 7,000 feet, the ceiling at 7,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CCOFIG. A THE SKY OVER NEWNAN COWETA 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 STATION02,5005,0007,50010,00012,500ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTOVC 7,000 FTOVERCAST, 8 EIGHTHS OF THE SKYSCT 5,000 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 7,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLENewnan Coweta County Airport, the skySTATION REPORT · ASOS CCOTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-CCO-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018, FB-SKY-013, FB-SKY-014

The air

59.5 F with a dew point of 44.8 F, 58 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,400 ft up; the lowest cloud reported is at 5,000 ft.

Chart of the air at Newnan Coweta County Airport: temperature 59.5 degrees Fahrenheit and dew point 44.8, 58 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,400 feet above the station, against the lowest cloud reported at 5,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CCOFIG. B THE AIR AT NEWNAN COWETA 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 STATION01,0002,0003,0004,0005,0006,0007,00030 F40 F50 F60 F70 FSATURATES 3,400 FT ABOVE THE STATION, AT 41.6 FLOWEST CLOUD REPORTED, SCT 5,000 FTTEMPERATURE 59.5 FDEW POINT 44.8 FSPREAD 14.7 FRELATIVE HUMIDITY 58 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 POINTTITLENewnan Coweta County Airport, the airSTATION REPORT · ASOS CCOTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-CCO-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (340 degrees) at 10 mph, gusting 23 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 23 mph.

Plan of the wind at Newnan Coweta County Airport, north up: blowing from 340 degrees, the north northwest, at 10 miles an hour, gusting 23; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CCOFIG. C THE WIND AT NEWNAN COWETA COUNTY AIRPORTPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 340°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE BREEZE135FRESH BREEZE19GUST, 23 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLENewnan Coweta County Airport, the windSTATION REPORT · ASOS CCOTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-CCO-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Newnan Coweta County Airport, in 6 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in Georgia

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

Near Grantville

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

Near Grantville

River and lake gauges