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Arona, Pennsylvania

Borough in Westmoreland County, Pennsylvania

Air quality

The air at Arona

Index 65, moderate, led by fine particles. Read at 9 AM from its reporting area, Mon Valley Area (PA), 11 miles off.

65Moderate
  • Fine particles (PM2.5)65Moderate8.5 mi
  • Ozone-33 ppb8.5 mi

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 29, good.

Smoke, the next 42 hours

Little smoke near the ground through Sun 2 AM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Arona

None in the last 24 hours; 0.60 in over the last 3 days, to Fri 8 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.60in

Visibility

How far you can see at Arona, the next 42 hours

Visibility stays 6 miles or more through Sun 2 AM, lowest 7 miles Fri 11 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Arona, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.9 miles away.

measured now4 instruments

measured daily2 instruments

New StantonNSTP1

At a cooperative observer's station/4.6 mi away/948 ft/60 ft below here

snowfall, snow depth, precip, high, low

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Station report

The weather at Latrobe/Westmorland, drawn

The nearest airport reporting now, 13.4 mi from Arona, Pennsylvania. From its report of Oct 16, 2026, 8:47 AM local time: 3 of its 6 sheets.

The sky

Scattered at 8,000 ft; visibility 10 mi or more.

Section of the sky over Latrobe/Westmorland, height above the station to scale: scattered cloud with its base at 8,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LBEFIG. A THE SKY OVER LATROBE/WESTMORLANDSECTION, 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 STATION02,5005,0007,50010,00012,500ETAGESLOWMIDDLETHE STATIONSCT 8,000 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLELatrobe/Westmorland, the skySTATION REPORT · ASOS LBETYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-LBE-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

71.6 F with a dew point of 64.4 F, 78 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,700 ft up; the lowest cloud reported is at 8,000 ft.

Chart of the air at Latrobe/Westmorland: temperature 71.6 degrees Fahrenheit and dew point 64.4, 78 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,700 feet above the station, against the lowest cloud reported at 8,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LBEFIG. B THE AIR AT LATROBE/WESTMORLANDTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,00050 F60 F70 F80 FSATURATES 1,700 FT ABOVE THE STATION, AT 62.7 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, SCT 8,000 FTTEMPERATURE 71.6 FDEW POINT 64.4 FSPREAD 7.2 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 POINTTITLELatrobe/Westmorland, the airSTATION REPORT · ASOS LBETYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-LBE-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southwest (210 degrees) at 16 mph, gusting 28 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 28 mph.

Plan of the wind at Latrobe/Westmorland, north up: blowing from 210 degrees, the south southwest, at 16 miles an hour, gusting 28; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LBEFIG. C THE WIND AT LATROBE/WESTMORLANDPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 210°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 16 MPH5FRESH BREEZE196STRONG BREEZE25GUST, 28 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLELatrobe/Westmorland, the windSTATION REPORT · ASOS LBETYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-LBE-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Latrobe/Westmorland, 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 Arona

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

Near Arona

River and lake gauges