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Decatur, Georgia

City in DeKalb County, Georgia

Air quality

The air at Decatur

Index 66, moderate, led by fine particles. Read at 3 AM from its reporting area, Atlanta (GA), 11 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 69, moderate, Fri 4 AM.

FriSat

Precipitation

What has fallen at Decatur

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 Decatur, the next 41 hours

Visibility stays 9 miles or more through Sat 8 PM, lowest 9 miles Fri 5 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Decatur, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.4 miles away.

measured now4 instruments

measured daily2 instruments

Decatur 0.4 NNWGA-DK-42

In a volunteer observer's own ground/0.4 mi away/1,005 ft/3 ft above here

precip, snowfall, snow depth

Rank-

Dekalb Co Filter PltDRAG1

At a cooperative observer's station/11.4 mi away/1,063 ft/61 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Atlanta/Dekalb, drawn

The nearest airport reporting now, 7.2 mi from Decatur, Georgia. From its report of Oct 16, 2026, 2:53 AM local time: 3 of its 6 sheets.

The sky

Broken at 5,000 ft; the ceiling is 5,000 ft; visibility 10 mi or more.

Section of the sky over Atlanta/Dekalb, height above the station to scale: broken cloud with its base at 5,000 feet, the ceiling at 5,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PDKFIG. A THE SKY OVER ATLANTA/DEKALBSECTION, 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 STATION01,0002,0003,0004,0005,0006,0007,0008,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETBKN 5,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 5,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEAtlanta/Dekalb, the skySTATION REPORT · ASOS PDKTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-PDK-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

67.0 F with a dew point of 62.0 F, 84 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,200 ft up; the lowest cloud reported is at 5,000 ft.

Chart of the air at Atlanta/Dekalb: temperature 67.0 degrees Fahrenheit and dew point 62.0, 84 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,200 feet above the station, against the lowest cloud reported at 5,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PDKFIG. B THE AIR AT ATLANTA/DEKALBTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,00050 F60 F70 F80 FSATURATES 1,200 FT ABOVE THE STATION, AT 60.8 FLOWEST CLOUD REPORTED, BKN 5,000 FTTEMPERATURE 67.0 FDEW POINT 62.0 FSPREAD 5.0 FRELATIVE HUMIDITY 84 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 POINTTITLEAtlanta/Dekalb, the airSTATION REPORT · ASOS PDKTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-PDK-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Atlanta/Dekalb, 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 PDKFIG. C THE WIND AT ATLANTA/DEKALBPLAN, 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 FORCE73TITLEAtlanta/Dekalb, the windSTATION REPORT · ASOS PDKTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-PDK-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Atlanta/Dekalb, 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 Decatur

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

Near Decatur

River and lake gauges