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Adamstown, Pennsylvania

Borough in Lancaster County, Pennsylvania

Air quality

The air at Adamstown

Index 21, good, led by ozone. Read at 3 AM from its reporting area, Lehigh Valley (PA), 36 miles off.

21Good
  • Fine particles (PM2.5)14Good11 mi
  • Ozone21Good-

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 31, good.

Smoke, the next 41 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 Adamstown

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

Last 24 hours
0.00in
Last 3 days
0.05in

Visibility

How far you can see at Adamstown, the next 41 hours

Mist or haze: visibility falls to 1 miles Fri 8 AM.

FriSat

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

What is measuring near here

The 7 instruments nearest Adamstown, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.4 miles away.

measured now5 instruments

measured daily2 instruments

Mohnton 2.8 SSWPA-BR-16

In a volunteer observer's own ground/3.4 mi away/810 ft/343 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Reading/Spaatz Fld, drawn

The nearest airport reporting now, 10.8 mi from Adamstown, Pennsylvania. From its report of Oct 16, 2026, 3:43 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 600 ft, overcast at 1,400 ft; the ceiling is 1,400 ft; visibility 3 mi.

Section of the sky over Reading/Spaatz Fld, height above the station to scale: a few clouds cloud with its base at 600 feet, overcast cloud with its base at 1,400 feet, the ceiling at 1,400 feet, and visibility of 3 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RDGFIG. A THE SKY OVER READING/SPAATZ FLDSECTION, 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 SHEETOVC 1,400 FTOVERCAST, 8 EIGHTHS OF THE SKYFEW 600 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYCEILING 1,400 FTVISIBILITY, MILES: 3 MI0510TITLEReading/Spaatz Fld, the skySTATION REPORT · ASOS RDGTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-RDG-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

57.0 F with a dew point of 55.0 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up; the lowest cloud reported is at 600 ft.

Chart of the air at Reading/Spaatz Fld: temperature 57.0 degrees Fahrenheit and dew point 55.0, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 500 feet above the station, against the lowest cloud reported at 600 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RDGFIG. B THE AIR AT READING/SPAATZ FLDTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00040 F50 F60 F70 FSATURATES 500 FT ABOVE THE STATION, AT 54.5 FLOWEST CLOUD REPORTED, FEW 600 FTTEMPERATURE AND DEW POINT 57.0 F, 55.0 FRELATIVE HUMIDITY 93 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 POINTTITLEReading/Spaatz Fld, the airSTATION REPORT · ASOS RDGTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-RDG-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Reading/Spaatz Fld, 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 RDGFIG. C THE WIND AT READING/SPAATZ FLDPLAN, 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 FORCE73TITLEReading/Spaatz Fld, the windSTATION REPORT · ASOS RDGTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-RDG-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Reading/Spaatz Fld, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Blue Marsh Lake (PLVP1), 10.1 miles from here, read 15 Oct, 07:30. measured daily

Elsewhere in Pennsylvania

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

Near Adamstown

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

Near Adamstown

River and lake gauges