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Atglen, Pennsylvania

Borough in Chester County, Pennsylvania

Air quality

The air at Atglen

Index 15, good, led by fine particles. Read at 6 AM from its reporting area, Wilmington Area (DE), 28 miles off.

15Good
  • Fine particles (PM2.5)15Good9.6 mi
  • Ozone14Good14 ppb9.6 mi
  • Coarse particles (PM10)6Good-

The days ahead

Yesterday measured 25, good.

Precipitation

What has fallen at Atglen

None in the last 24 hours; 0.05 in over the last 3 days, to Fri 5 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.05in

Visibility

How far you can see at Atglen, the next 45 hours

Mist or haze: visibility falls to 3 miles Fri 8 AM.

FriSat

On the radar over Atglen, PennsylvaniaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 7 instruments nearest Atglen, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.1 miles away.

measured now5 instruments

Avondale 2 N03761

At a climate reference station/12.4 mi away/400 ft/111 ft below here

temp, humidity, wind, solar, precip

Rank759of 1,383

measured daily2 instruments

Atglen 0.2 WPA-CH-38

In a volunteer observer's own ground/0.1 mi away/498 ft/13 ft below here

precip, snowfall, snow depth

Rank168of 1,383

New HollandNHDP1

At a cooperative observer's station/10.2 mi away/620 ft/109 ft above here

snowfall, snow depth, precip, high, low

Rank654of 1,383

Station report

The weather at Coatesville, drawn

The nearest airport reporting now, 6.3 mi from Atglen, Pennsylvania. From its report of Oct 16, 2026, 5:55 AM local time: 3 of its 6 sheets.

The sky

No cloud reported; visibility 3 mi.

Section of the sky over Coatesville, height above the station to scale: no cloud reported, and visibility of 3 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MQSFIG. A THE SKY OVER COATESVILLESECTION, 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 REPORTEDVISIBILITY, MILES: 3 MI0510TITLECoatesville, the skySTATION REPORT · ASOS MQSTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-MQS-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

57.0 F with a dew point of 57.0 F, 100 per cent relative humidity. The air is saturated at the ground.

Chart of the air at Coatesville: temperature 57.0 degrees Fahrenheit and dew point 57.0, 100 per cent relative humidity; the air saturated at the ground; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MQSFIG. B THE AIR AT COATESVILLETHE 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 FSATURATED AT THE GROUNDTEMPERATURE AND DEW POINT 57.0 F, 57.0 FRELATIVE HUMIDITY 100 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 POINTTITLECoatesville, the airSTATION REPORT · ASOS MQSTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-MQS-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

At 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Coatesville, north up: 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 MQSFIG. C THE WIND AT COATESVILLEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONDIRECTION NOT REPORTEDBEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECoatesville, the windSTATION REPORT · ASOS MQSTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-MQS-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at New Holland (NHDP1), 10.2 miles from here, read 14 Oct, 23:59. measured daily

Elsewhere in Pennsylvania

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

Near Atglen

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

Near Atglen

River and lake gauges