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Heidlersburg, Pennsylvania

Community in Adams County, Pennsylvania

Air quality

The air at Heidlersburg

Index 28, good, led by ozone. Read at 7 PM from its reporting area, Susquehanna Valley (PA), 28 miles off.

28Good
  • Fine particles (PM2.5)12Good8.1 mi
  • Ozone28Good29 ppb8.1 mi

The days ahead

Good each day through Tue Oct 20, led by fine particles. Yesterday measured 31, good.

Smoke, the next 43 hours

No smoke near the ground through Mon 2 PM.

SatSunMon

Precipitation

What has fallen at Heidlersburg

0.02 in in the last 24 hours, 0.04 in over the last 3 days, to Sat 6 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.02in
Last 3 days
0.04in

Visibility

How far you can see at Heidlersburg, the next 43 hours

Visibility stays 10 miles or more through Mon 2 PM.

SatSunMon

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

What is measuring near here

The 6 instruments nearest Heidlersburg, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.0 miles away.

measured now4 instruments

measured daily2 instruments

Aspers 3.3 ESEPA-AD-38

In a volunteer observer's own ground/1.0 mi away/621 ft/70 ft above here

precip, snowfall, snow depth

Rank-

BiglervilleBGLP1

At a cooperative observer's station/5.1 mi away/669 ft/118 ft above here

snowfall, snow depth, precip, high, low

Rank1,180of 1,394

Station report

The weather at Thomasville/York, drawn

The nearest airport reporting now, 15.1 mi from Heidlersburg, Pennsylvania. From its report of Oct 17, 2026, 6:53 PM 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 Thomasville/York, 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 THVFIG. A THE SKY OVER THOMASVILLE/YORKSECTION, 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 MORE0510TITLEThomasville/York, the skySTATION REPORT · ASOS THVTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-THV-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

48.0 F with a dew point of 29.0 F, 48 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 4,300 ft up.

Chart of the air at Thomasville/York: temperature 48.0 degrees Fahrenheit and dew point 29.0, 48 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 4,300 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT THVFIG. B THE AIR AT THOMASVILLE/YORKTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,00010 F20 F30 F40 F50 F60 FSATURATES 4,300 FT ABOVE THE STATION, AT 25.0 FTEMPERATURE 48.0 FDEW POINT 29.0 FSPREAD 19.0 FRELATIVE HUMIDITY 48 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 POINTTITLEThomasville/York, the airSTATION REPORT · ASOS THVTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-THV-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Thomasville/York, 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 THVFIG. C THE WIND AT THOMASVILLE/YORKPLAN, 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 FORCE73TITLEThomasville/York, the windSTATION REPORT · ASOS THVTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-THV-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Biglerville (BGLP1), 5.1 miles from here, read 16 Oct, 08:00. measured daily

Elsewhere in Pennsylvania

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

Near Heidlersburg

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

Near Heidlersburg

River and lake gauges