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Haverford College, Pennsylvania

Community in Delaware County, Pennsylvania

Air quality

The air at Haverford College

Index 25, good, led by ozone. Read at 3 AM from its reporting area, Philadelphia (PA), 9 miles off.

25Good
  • Fine particles (PM2.5)18Good7.1 mi
  • Ozone25Good-
  • Coarse particles (PM10)5Good-

The days ahead

Good each day through Tue Oct 20, led by fine particles. Yesterday measured 27, good.

Smoke, the next 42 hours

No smoke near the ground through Mon 8 PM.

SunMon

Precipitation

What has fallen at Haverford College

0.15 in in the last 24 hours, 0.36 in over the last 3 days, to Sun 2 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.15in
Last 3 days
0.36in

Visibility

How far you can see at Haverford College, the next 42 hours

Visibility stays 10 miles or more through Mon 8 PM.

SunMon

What is measuring near here

The 7 instruments nearest Haverford College, 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 now5 instruments

measured daily2 instruments

ConshohockenCSHP1

At a cooperative observer's station/4.0 mi away/105 ft/274 ft below here

snowfall, snow depth, precip, high, low

Rank1,393of 1,397

Station report

The weather at Philadelphia/Wings Field, drawn

The nearest airport reporting now, 9.1 mi from Haverford College, Pennsylvania. From its report of Oct 18, 2026, 3:35 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 Philadelphia/Wings Field, 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 LOMFIG. A THE SKY OVER PHILADELPHIA/WINGS FIELDSECTION, 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 MORE0510TITLEPhiladelphia/Wings Field, the skySTATION REPORT · ASOS LOMTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-18IDSR-LOM-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

39.2 F with a dew point of 26.6 F, 60 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,800 ft up.

Chart of the air at Philadelphia/Wings Field: temperature 39.2 degrees Fahrenheit and dew point 26.6, 60 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,800 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LOMFIG. B THE AIR AT PHILADELPHIA/WINGS FIELDTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00010 F20 F30 F40 F50 FSATURATES 2,800 FT ABOVE THE STATION, AT 24.0 FTEMPERATURE 39.2 FDEW POINT 26.6 FSPREAD 12.6 FRELATIVE HUMIDITY 60 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 POINTTITLEPhiladelphia/Wings Field, the airSTATION REPORT · ASOS LOMTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-18IDSR-LOM-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (350 degrees) at 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Philadelphia/Wings Field, north up: blowing from 350 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 LOMFIG. C THE WIND AT PHILADELPHIA/WINGS FIELDPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 350°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEPhiladelphia/Wings Field, the windSTATION REPORT · ASOS LOMTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-18IDSR-LOM-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Conshohocken (CSHP1), 4.0 miles from here, read 17 Oct, 08:00. measured daily

Elsewhere in Pennsylvania

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

Near Haverford College

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

Near Haverford College