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Harmony, Pennsylvania

Borough in Butler County, Pennsylvania

Air quality

The air at Harmony

Index 49, good, led by fine particles. Read at 3 AM from its reporting area, Pittsburgh (PA), 29 miles off.

49Good
  • Fine particles (PM2.5)49Good10.4 mi
  • Ozone15Good-

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 31, good.

Smoke, the next 41 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Harmony

None in the last 24 hours; 0.35 in over the last 3 days, to Fri 2 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.35in

Visibility

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

Visibility stays 3 miles or more through Sat 8 PM, lowest 3 miles Fri 2 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Harmony, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.6 miles away.

measured now4 instruments

measured daily2 instruments

Harmony 0.7 NPA-BT-4

In a volunteer observer's own ground/0.8 mi away/953 ft/15 ft above here

precip, snowfall, snow depth

Rank-

Beaver River AT Beaver FallsBEAP1

At a cooperative observer's station/10.0 mi away/853 ft/85 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Zelienople, drawn

The nearest airport reporting now, 1.8 mi from Harmony, Pennsylvania. From its report of Oct 16, 2026, 3:35 AM local time: 3 of its 6 sheets.

The sky

Broken at 1,400 ft, overcast at 5,000 ft; the ceiling is 1,400 ft; visibility 10 mi or more.

Section of the sky over Zelienople, height above the station to scale: broken cloud with its base at 1,400 feet, overcast cloud with its base at 5,000 feet, the ceiling at 1,400 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PJCFIG. A THE SKY OVER ZELIENOPLESECTION, 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 STATION01,0002,0003,0004,0005,0006,0007,0008,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 5,000 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 1,400 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 1,400 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEZelienople, the skySTATION REPORT · ASOS PJCTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-PJC-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

68.0 F with a dew point of 66.2 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 1,400 ft.

Chart of the air at Zelienople: temperature 68.0 degrees Fahrenheit and dew point 66.2, 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 1,400 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PJCFIG. B THE AIR AT ZELIENOPLETHE 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 F80 FSATURATES 400 FT ABOVE THE STATION, AT 65.8 FLOWEST CLOUD REPORTED, BKN 1,400 FTTEMPERATURE AND DEW POINT 68.0 F, 66.2 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 POINTTITLEZelienople, the airSTATION REPORT · ASOS PJCTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-PJC-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Zelienople, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PJCFIG. C THE WIND AT ZELIENOPLEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEZelienople, the windSTATION REPORT · ASOS PJCTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-PJC-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Zelienople, 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 Harmony

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

Near Harmony

River and lake gauges