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Spring Mount, Pennsylvania

Community in Montgomery County, Pennsylvania

Air quality

The air at Spring Mount

Index 21, good, led by ozone. Read at 12 AM from its reporting area, Lehigh Valley (PA), 24 miles off.

21Good
  • Fine particles (PM2.5)16Good14.1 mi
  • Ozone21Good22 ppb14.1 mi

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 50, good.

Smoke, the next 44 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 Spring Mount

None in the last 24 hours; 0.03 in over the last 3 days, to Thu 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.03in

Visibility

How far you can see at Spring Mount, the next 44 hours

Mist or haze: visibility falls to 3 miles Fri 7 AM.

FriSat

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

What is measuring near here

The 7 instruments nearest Spring Mount, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.4 miles away.

measured now5 instruments

Avondale 2 N03761

At a climate reference station/34.0 mi away/400 ft/150 ft above here

temp, humidity, wind, solar, precip

Rank759of 1,383

measured daily2 instruments

Schwenksville 0.1 EPA-MT-74

In a volunteer observer's own ground/1.4 mi away/152 ft/98 ft below here

precip, snowfall, snow depth

Rank-

PalmPLMP1

At a cooperative observer's station/7.6 mi away/289 ft/39 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Pottstown Limerick Airport, drawn

The nearest airport reporting now, 5.7 mi from Spring Mount, Pennsylvania. From its report of Oct 15, 2026, 11:54 PM local time: 3 of its 6 sheets.

The sky

Overcast at 3,400 ft; the ceiling is 3,400 ft; visibility 10 mi or more.

Section of the sky over Pottstown Limerick Airport, height above the station to scale: overcast cloud with its base at 3,400 feet, the ceiling at 3,400 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PTWFIG. A THE SKY OVER POTTSTOWN LIMERICK AIRPORTSECTION, 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 STATION01,0002,0003,0004,0005,0006,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 3,400 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 3,400 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEPottstown Limerick Airport, the skySTATION REPORT · ASOS PTWTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-PTW-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

59.0 F with a dew point of 52.0 F, 78 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,600 ft up; the lowest cloud reported is at 3,400 ft.

Chart of the air at Pottstown Limerick Airport: temperature 59.0 degrees Fahrenheit and dew point 52.0, 78 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,600 feet above the station, against the lowest cloud reported at 3,400 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PTWFIG. B THE AIR AT POTTSTOWN LIMERICK AIRPORTTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,00040 F50 F60 F70 FSATURATES 1,600 FT ABOVE THE STATION, AT 50.4 FLOWEST CLOUD REPORTED, OVC 3,400 FTTEMPERATURE 59.0 FDEW POINT 52.0 FSPREAD 7.0 FRELATIVE HUMIDITY 78 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 POINTTITLEPottstown Limerick Airport, the airSTATION REPORT · ASOS PTWTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-PTW-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southeast (150 degrees) at 3 mph: force 1, a light air on the Beaufort scale. The strongest gust today was 26 mph.

Plan of the wind at Pottstown Limerick Airport, north up: blowing from 150 degrees, the south southeast, 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 PTWFIG. C THE WIND AT POTTSTOWN LIMERICK AIRPORTPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 150°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEPottstown Limerick Airport, the windSTATION REPORT · ASOS PTWTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-PTW-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Pottstown Limerick Airport, 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 Spring Mount

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

Near Spring Mount

River and lake gauges