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Hostetter, Pennsylvania

Community in Westmoreland County, Pennsylvania

Air quality

The air at Hostetter

Index 60, moderate, led by fine particles. Read at 5 AM from its reporting area, Mon Valley Area (PA), 25 miles off.

60Moderate
  • Fine particles (PM2.5)60Moderate6.4 mi
  • Ozone-21 ppb6.4 mi

The days ahead

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

Smoke, the next 46 hours

Little smoke near the ground through Sun 2 AM: the index from smoke stays at 11 or under.

FriSat

Precipitation

What has fallen at Hostetter

0.03 in in the last 24 hours, 0.59 in over the last 3 days, to Fri 4 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.03in
Last 3 days
0.59in

Visibility

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

Visibility stays 8 miles or more through Sun 2 AM, lowest 9 miles Sat 12 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Hostetter, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.

measured now4 instruments

Quarry TrailQTRP1

At a river or reservoir gauge/13.4 mi away/2,749 ft/1,600 ft above here

temp, wind, gust, humidity, pressure

Rank339of 1,383

measured daily2 instruments

Donegal 2 NwACEP1

At a cooperative observer's station/8.9 mi away/1,772 ft/623 ft above here

snowfall, snow depth, precip, high, low

Rank1,128of 1,383

Station report

The weather at Latrobe/Westmorland, drawn

The nearest airport reporting now, 0.9 mi from Hostetter, Pennsylvania. From its report of Oct 16, 2026, 5:35 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 6,000 ft, scattered at 9,000 ft; visibility 10 mi or more.

Section of the sky over Latrobe/Westmorland, height above the station to scale: a few clouds cloud with its base at 6,000 feet, scattered cloud with its base at 9,000 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 STATION02,5005,0007,50010,00012,50015,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTSCT 9,000 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYFEW 6,000 FTA FEW CLOUDS, 1 TO 2 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-017, FB-SKY-016, FB-SKY-018, FB-SKY-013, FB-SKY-014

The air

73.4 F with a dew point of 69.8 F, 89 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 900 ft up; the lowest cloud reported is at 6,000 ft.

Chart of the air at Latrobe/Westmorland: temperature 73.4 degrees Fahrenheit and dew point 69.8, 89 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 900 feet above the station, against the lowest cloud reported at 6,000 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 STATION01,0002,0003,0004,0005,00060 F70 F80 FSATURATES 900 FT ABOVE THE STATION, AT 68.9 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, FEW 6,000 FTTEMPERATURE 73.4 FDEW POINT 69.8 FSPREAD 3.6 FRELATIVE HUMIDITY 89 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-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southwest (200 degrees) at 14 mph, gusting 20 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 22 mph.

Plan of the wind at Latrobe/Westmorland, north up: blowing from 200 degrees, the south southwest, at 14 miles an hour, gusting 20; 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 200°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 14 MPH5FRESH BREEZE19GUST, 20 MPH6STRONG BREEZE257NEAR 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

0in

Snow on the ground

Measured at Donegal 2 Nw (ACEP1), 8.9 miles from here, read 15 Oct, 07:00. measured daily

Elsewhere in Pennsylvania

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

Near Hostetter

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

Near Hostetter

River and lake gauges