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Marietta, Georgia

City in Cobb County, Georgia

Air quality

The air at Marietta

Index 66, moderate, led by fine particles. Read at 3 AM from its reporting area, Atlanta (GA), 22 miles off.

66Moderate
  • Fine particles (PM2.5)66Moderate-
  • Ozone32Good-
  • Coarse particles (PM10)25Good-

The days ahead

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

Smoke, the next 41 hours

Smoke near the ground peaks at index 56, moderate, Fri 7 AM.

FriSat

Precipitation

What has fallen at Marietta

None in the last 3 days, to Fri 3 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 Marietta, the next 41 hours

Visibility stays 9 miles or more through Sat 8 PM, lowest 10 miles Fri 4 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Marietta, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.6 miles away.

measured now4 instruments

measured daily2 instruments

DallasDALG1

At a cooperative observer's station/12.0 mi away/1,070 ft/69 ft below here

snowfall, snow depth, precip, high, low

Rank97of 1,277

Station report

The weather at Dobbins AFB/Mariett, drawn

The nearest airport reporting now, 2.8 mi from Marietta, Georgia. From its report of Oct 16, 2026, 2:55 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 Dobbins AFB/Mariett, 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 MGEFIG. A THE SKY OVER DOBBINS AFB/MARIETTSECTION, 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 MORE0510TITLEDobbins AFB/Mariett, the skySTATION REPORT · ASOS MGETYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-MGE-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

68.5 F with a dew point of 62.4 F, 81 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,400 ft up.

Chart of the air at Dobbins AFB/Mariett: temperature 68.5 degrees Fahrenheit and dew point 62.4, 81 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,400 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MGEFIG. B THE AIR AT DOBBINS AFB/MARIETTTHE 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 1,400 FT ABOVE THE STATION, AT 61.0 FTEMPERATURE 68.5 FDEW POINT 62.4 FSPREAD 6.1 FRELATIVE HUMIDITY 81 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 POINTTITLEDobbins AFB/Mariett, the airSTATION REPORT · ASOS MGETYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-MGE-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Dobbins AFB/Mariett, 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 MGEFIG. C THE WIND AT DOBBINS AFB/MARIETTPLAN, 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 FORCE73TITLEDobbins AFB/Mariett, the windSTATION REPORT · ASOS MGETYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-MGE-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Dobbins AFB/Mariett, 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 Marietta

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

Near Marietta

River and lake gauges