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Pennwyn, Pennsylvania

Community in Berks County, Pennsylvania

Air quality

The air at Pennwyn

Index 23, good, led by ozone. Read at 11 PM from its reporting area, Lehigh Valley (PA), 30 miles off.

23Good
  • Fine particles (PM2.5)17Good6.5 mi
  • Ozone23Good24 ppb6.5 mi

The days ahead

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

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 Pennwyn

None in the last 24 hours; 0.02 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
0.02in

Visibility

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

Visibility stays 4 miles or more through Sat 8 PM, lowest 4 miles Fri 6 AM.

FriSat

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

What is measuring near here

The 7 instruments nearest Pennwyn, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.8 miles away.

measured now5 instruments

measured daily2 instruments

Station report

The weather at Reading/Spaatz Fld, drawn

The nearest airport reporting now, 6.1 mi from Pennwyn, Pennsylvania. From its report of Oct 15, 2026, 11:34 PM local time: 3 of its 6 sheets.

The sky

Broken at 2,000 ft, overcast at 3,300 ft; the ceiling is 2,000 ft; visibility 10 mi or more.

Section of the sky over Reading/Spaatz Fld, height above the station to scale: broken cloud with its base at 2,000 feet, overcast cloud with its base at 3,300 feet, the ceiling at 2,000 feet, and visibility of 10 mi or more.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 STATION01,0002,0003,0004,0005,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 3,300 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 2,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 2,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEReading/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

60.0 F with a dew point of 53.0 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 2,000 ft.

Chart of the air at Reading/Spaatz Fld: temperature 60.0 degrees Fahrenheit and dew point 53.0, 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 2,000 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 1,600 FT ABOVE THE STATION, AT 51.4 FLOWEST CLOUD REPORTED, BKN 2,000 FTTEMPERATURE 60.0 FDEW POINT 53.0 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 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-002, FB-ENG-011, FB-ENG-005

The wind

From the south (170 degrees) at 8 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 17 mph.

Plan of the wind at Reading/Spaatz Fld, north up: blowing from 170 degrees, the south, at 8 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, 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 STATIONFROM 170°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 8 MPH4MODERATE 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), 7.2 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 Pennwyn

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

Near Pennwyn

River and lake gauges