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Grapeville, Pennsylvania

Community in Westmoreland County, Pennsylvania

Air quality

The air at Grapeville

Index 12, good, led by fine particles. Read at 8 PM from its reporting area, Mon Valley Area (PA), 14 miles off.

12Good
  • Fine particles (PM2.5)12Good5.6 mi
  • Ozone-16 ppb5.6 mi

The days ahead

Good each day through Tue Oct 20, led by fine particles. Yesterday measured 29, good.

Smoke, the next 43 hours

No smoke near the ground through Sun 2 PM.

FriSatSun

Precipitation

What has fallen at Grapeville

0.52 in in the last 24 hours, 0.85 in over the last 3 days, to Fri 7 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.52in
Last 3 days
0.85in

Visibility

How far you can see at Grapeville, the next 43 hours

Visibility stays 3 miles or more through Sun 2 PM, lowest 4 miles Fri 11 PM.

FriSatSun

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

What is measuring near here

The 6 instruments nearest Grapeville, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.4 miles away.

measured now4 instruments

measured daily2 instruments

Jeannette 0.1 NEPA-WT-68

In a volunteer observer's own ground/0.4 mi away/1,119 ft/53 ft below here

precip, snowfall, snow depth

Rank-

New StantonNSTP1

At a cooperative observer's station/8.3 mi away/948 ft/224 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Latrobe/Westmorland, drawn

The nearest airport reporting now, 11.2 mi from Grapeville, Pennsylvania. From its report of Oct 16, 2026, 7:47 PM local time: 3 of its 6 sheets.

The sky

Overcast at 8,000 ft; the ceiling is 8,000 ft; visibility 10 mi or more.

Section of the sky over Latrobe/Westmorland, height above the station to scale: overcast cloud with its base at 8,000 feet, the ceiling 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 STATIONOVC 8,000 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 8,000 FTVISIBILITY, 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

57.2 F with a dew point of 55.4 F, 94 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 400 ft up; the lowest cloud reported is at 8,000 ft.

Chart of the air at Latrobe/Westmorland: temperature 57.2 degrees Fahrenheit and dew point 55.4, 94 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 400 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 STATION01,0002,0003,0004,00040 F50 F60 F70 FSATURATES 400 FT ABOVE THE STATION, AT 55.0 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, OVC 8,000 FTTEMPERATURE AND DEW POINT 57.2 F, 55.4 FRELATIVE HUMIDITY 94 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 west southwest (240 degrees) at 7 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 48 mph.

Plan of the wind at Latrobe/Westmorland, north up: blowing from 240 degrees, the west southwest, at 7 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light 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 240°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG 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

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Snow on the ground

Elsewhere in Pennsylvania

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

Near Grapeville

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

Near Grapeville

River and lake gauges