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Dormont, Pennsylvania

Borough in Allegheny County, Pennsylvania

Air quality

The air at Dormont

Index 60, moderate, led by fine particles. Read at 4 AM from its reporting area, Mon Valley Area (PA), 11 miles off.

60Moderate
  • Fine particles (PM2.5)60Moderate6.7 mi
  • Ozone-8 ppb6.7 mi

The days ahead

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

Smoke, the next 41 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 11 or under.

FriSat

Precipitation

What has fallen at Dormont

None in the last 24 hours; 0.39 in over the last 3 days, to Fri 3 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.39in

Visibility

How far you can see at Dormont, the next 41 hours

Visibility stays 3 miles or more through Sat 8 PM, lowest 3 miles Fri 9 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Dormont, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.0 miles away.

measured now4 instruments

measured daily2 instruments

Pittsburgh 3.8 SWPA-AL-123

In a volunteer observer's own ground/0.0 mi away/1,244 ft/23 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Pittsburgh/Alleghen, drawn

The nearest airport reporting now, 6.7 mi from Dormont, Pennsylvania. From its report of Oct 16, 2026, 3:53 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 500 ft, broken at 9,000 ft; the ceiling is 9,000 ft; visibility 7 mi.

Section of the sky over Pittsburgh/Alleghen, height above the station to scale: a few clouds cloud with its base at 500 feet, broken cloud with its base at 9,000 feet, the ceiling at 9,000 feet, and visibility of 7 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AGCFIG. A THE SKY OVER PITTSBURGH/ALLEGHENSECTION, 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 FTBKN 9,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYFEW 500 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYCEILING 9,000 FTVISIBILITY, MILES: 7 MI0510TITLEPittsburgh/Alleghen, the skySTATION REPORT · ASOS AGCTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-AGC-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

69.0 F with a dew point of 67.0 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up; the lowest cloud reported is at 500 ft.

Chart of the air at Pittsburgh/Alleghen: temperature 69.0 degrees Fahrenheit and dew point 67.0, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 500 feet above the station, against the lowest cloud reported at 500 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AGCFIG. B THE AIR AT PITTSBURGH/ALLEGHENTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00060 F70 F80 FSATURATES 500 FT ABOVE THE STATION, AT 66.5 FLOWEST CLOUD REPORTED, FEW 500 FTTEMPERATURE AND DEW POINT 69.0 F, 67.0 FRELATIVE HUMIDITY 93 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 POINTTITLEPittsburgh/Alleghen, the airSTATION REPORT · ASOS AGCTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-AGC-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south (190 degrees) at 12 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 16 mph.

Plan of the wind at Pittsburgh/Alleghen, north up: blowing from 190 degrees, the south, at 12 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AGCFIG. C THE WIND AT PITTSBURGH/ALLEGHENPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 190°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 12 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEPittsburgh/Alleghen, the windSTATION REPORT · ASOS AGCTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-AGC-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Pittsburgh/Alleghen, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Emsworth Dam (EMSP1), 8.1 miles from here, read 15 Oct, 06:00. measured daily

Elsewhere in Pennsylvania

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

Near Dormont

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

Near Dormont

River and lake gauges