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Langhorne, Pennsylvania

Borough in Bucks County, Pennsylvania

Air quality

The air at Langhorne

Index 24, good, led by ozone. Read at 11 PM from its reporting area, Philadelphia (PA), 20 miles off.

24Good
  • Fine particles (PM2.5)16Good21.1 mi
  • Ozone24Good21 ppb5.4 mi
  • Coarse particles (PM10)6Good-

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 59, moderate.

Smoke, the next 46 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Langhorne

None in the last 24 hours; 0.06 in over the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.06in

Visibility

How far you can see at Langhorne, the next 46 hours

Mist or haze: visibility falls to 1 mile Fri 7 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Langhorne, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.5 miles away.

measured now4 instruments

measured daily2 instruments

Langhorne 0.5 NEPA-BK-71

In a volunteer observer's own ground/0.5 mi away/199 ft/15 ft below here

precip, snowfall, snow depth

Rank-

OakfordOAKP1

At a cooperative observer's station/2.0 mi away/141 ft/73 ft below here

snowfall, snow depth, precip, high, low

Rank739of 1,383

Station report

The weather at Philadelphia NE, drawn

The nearest airport reporting now, 8.4 mi from Langhorne, Pennsylvania. From its report of Oct 15, 2026, 10:54 PM local time: 3 of its 6 sheets.

The sky

A few clouds at 4,300 ft, overcast at 7,000 ft; the ceiling is 7,000 ft; visibility 10 mi or more.

Section of the sky over Philadelphia NE, height above the station to scale: a few clouds cloud with its base at 4,300 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 PNEFIG. A THE SKY OVER PHILADELPHIA NESECTION, 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 SKYFEW 4,300 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYCEILING 7,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEPhiladelphia NE, the skySTATION REPORT · ASOS PNETYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-PNE-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

59.0 F with a dew point of 51.0 F, 75 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,800 ft up; the lowest cloud reported is at 4,300 ft.

Chart of the air at Philadelphia NE: temperature 59.0 degrees Fahrenheit and dew point 51.0, 75 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,800 feet above the station, against the lowest cloud reported at 4,300 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PNEFIG. B THE AIR AT PHILADELPHIA NETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,00040 F50 F60 F70 FSATURATES 1,800 FT ABOVE THE STATION, AT 49.1 FLOWEST CLOUD REPORTED, FEW 4,300 FTTEMPERATURE 59.0 FDEW POINT 51.0 FSPREAD 8.0 FRELATIVE HUMIDITY 75 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 NE, the airSTATION REPORT · ASOS PNETYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-PNE-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southeast (130 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Philadelphia NE, north up: blowing from 130 degrees, the southeast, at 5 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PNEFIG. C THE WIND AT PHILADELPHIA NEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 130°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEPhiladelphia NE, the windSTATION REPORT · ASOS PNETYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-PNE-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Pennsylvania

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

Near Langhorne

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

Near Langhorne

River and lake gauges