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Calumet, Pennsylvania

Community in Westmoreland County, Pennsylvania

Air quality

The air at Calumet

Index 31, good, led by fine particles. Read at 3 PM from its reporting area, Mon Valley Area (PA), 21 miles off.

31Good
  • Fine particles (PM2.5)31Good6 mi
  • Ozone-21 ppb6 mi

The days ahead

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

Smoke, the next 42 hours

No smoke near the ground through Sun 8 AM.

FriSatSun

Precipitation

What has fallen at Calumet

0.38 in in the last 24 hours, 0.82 in over the last 3 days, to Fri 2 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.38in
Last 3 days
0.82in

Visibility

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

Mist or haze: visibility falls to 2 miles Fri 11 PM.

FriSatSun

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

What is measuring near here

The 6 instruments nearest Calumet, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.7 miles away.

measured now4 instruments

Quarry TrailQTRP1

At a river or reservoir gauge/15.7 mi away/2,749 ft/1,727 ft above here

temp, wind, gust, humidity, pressure

Rank339of 1,383

measured daily2 instruments

New StantonNSTP1

At a cooperative observer's station/7.2 mi away/948 ft/74 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, 6.0 mi from Calumet, Pennsylvania. From its report of Oct 16, 2026, 3:33 PM local time: 3 of its 6 sheets.

The sky

Broken at 1,000 ft, broken at 3,300 ft, overcast at 4,500 ft; the ceiling is 1,000 ft; visibility 6 mi.

Section of the sky over Latrobe/Westmorland, height above the station to scale: broken cloud with its base at 1,000 feet, broken cloud with its base at 3,300 feet, overcast cloud with its base at 4,500 feet, the ceiling at 1,000 feet, and visibility of 6 mi.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 STATION01,0002,0003,0004,0005,0006,0007,000ETAGESLOWMIDDLETHE STATIONOVC 4,500 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 3,300 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYBKN 1,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 1,000 FTVISIBILITY, MILES: 6 MI0510TITLELatrobe/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

The air

59.0 F with a dew point of 57.2 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 1,000 ft.

Chart of the air at Latrobe/Westmorland: temperature 59.0 degrees Fahrenheit and dew point 57.2, 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 1,000 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 STATION01,0002,0003,00050 F60 F70 FSATURATES 400 FT ABOVE THE STATION, AT 56.8 FLOWEST CLOUD REPORTED, BKN 1,000 FTTEMPERATURE AND DEW POINT 59.0 F, 57.2 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 (260 degrees) at 9 mph, gusting 33 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 48 mph.

Plan of the wind at Latrobe/Westmorland, north up: blowing from 260 degrees, the west, at 9 miles an hour, gusting 33; beside it the Beaufort scale from calm to hurricane force, force 3, gentle 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 260°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 9 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE32GUST, 33 MPH8GALE399STRONG 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 Calumet

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

Near Calumet

River and lake gauges