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Sinking Spring, Pennsylvania

Borough in Berks County, Pennsylvania

Air quality

The air at Sinking Spring

Index 19, good, led by ozone. Read at 6 AM from its reporting area, Lehigh Valley (PA), 30 miles off.

19Good
  • Fine particles (PM2.5)8Good5.1 mi
  • Ozone19Good26 ppb5.1 mi

The days ahead

Good each day through Tue Oct 20, led by fine particles. Yesterday measured 25, good.

Smoke, the next 44 hours

No smoke near the ground through Mon 2 AM.

SatSun

Precipitation

What has fallen at Sinking Spring

0.11 in in the last 24 hours, and none in the 2 days before, to Sat 6 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.11in
Last 3 days
0.11in

Visibility

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

Visibility stays 10 miles or more through Mon 2 AM.

SatSun

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

What is measuring near here

The 7 instruments nearest Sinking Spring, 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 now5 instruments

measured daily2 instruments

Reading 4.2 WPA-BR-24

In a volunteer observer's own ground/1.0 mi away/414 ft/75 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Reading/Spaatz Fld, drawn

The nearest airport reporting now, 4.9 mi from Sinking Spring, Pennsylvania. From its report of Oct 17, 2026, 6:54 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 3,000 ft; visibility 10 mi or more.

Section of the sky over Reading/Spaatz Fld, height above the station to scale: a few clouds cloud with its base at 3,000 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 SHEETFEW 3,000 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLEReading/Spaatz Fld, the skySTATION REPORT · ASOS RDGTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-RDG-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

50.0 F with a dew point of 35.0 F, 56 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,400 ft up; the lowest cloud reported is at 3,000 ft.

Chart of the air at Reading/Spaatz Fld: temperature 50.0 degrees Fahrenheit and dew point 35.0, 56 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,400 feet above the station, against the lowest cloud reported at 3,000 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 STATION01,0002,0003,0004,0005,00020 F30 F40 F50 F60 FSATURATES 3,400 FT ABOVE THE STATION, AT 31.8 FLOWEST CLOUD REPORTED, FEW 3,000 FTTEMPERATURE 50.0 FDEW POINT 35.0 FSPREAD 15.0 FRELATIVE HUMIDITY 56 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 6DATE2026-10-17IDSR-RDG-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (350 degrees) at 15 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 26 mph.

Plan of the wind at Reading/Spaatz Fld, north up: blowing from 350 degrees, the north, at 15 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 4, moderate 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 350°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 15 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEReading/Spaatz Fld, the windSTATION REPORT · ASOS RDGTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-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), 4.3 miles from here, read 16 Oct, 07:30. measured daily

Elsewhere in Pennsylvania

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

Near Sinking Spring

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

Near Sinking Spring

River and lake gauges