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Farrell, Pennsylvania

City in Mercer County, Pennsylvania

Air quality

The air at Farrell

Index 52, moderate, led by fine particles. Read at 5 AM from its reporting area, Youngstown (OH), 14 miles off.

52Moderate
  • Fine particles (PM2.5)52Moderate0.4 mi
  • Ozone16Good23 ppb0.4 mi
  • Coarse particles (PM10)17Good-

The days ahead

Good each day through Tue Oct 20, led by fine particles. Yesterday measured 41, good.

Smoke, the next 46 hours

Little smoke near the ground through Sun 2 AM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Farrell

None in the last 24 hours; 0.09 in over the last 3 days, to Fri 4 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.09in

Visibility

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

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

FriSat

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

What is measuring near here

The 6 instruments nearest Farrell, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.7 miles away.

measured now4 instruments

New CastleUCP

At an airfield/13.5 mi away/1,072 ft/21 ft above here

temp, wind, gust, visibility, precip, pressure

Rank4of 1,383

measured daily2 instruments

Sharon 0.9 EPA-MR-20

In a volunteer observer's own ground/1.7 mi away/1,093 ft/42 ft above here

precip, snowfall, snow depth

Rank-

PymatuningJMSP1

At a cooperative observer's station/20.0 mi away/1,017 ft/34 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at New Castle, drawn

The nearest airport reporting now, 13.5 mi from Farrell, Pennsylvania. From its report of Oct 16, 2026, 4:56 AM local time: 3 of its 6 sheets.

The sky

Scattered at 2,400 ft, broken at 2,900 ft, broken at 7,000 ft; the ceiling is 2,900 ft; visibility 10 mi or more.

Section of the sky over New Castle, height above the station to scale: scattered cloud with its base at 2,400 feet, broken cloud with its base at 2,900 feet, broken cloud with its base at 7,000 feet, the ceiling at 2,900 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT UCPFIG. A THE SKY OVER NEW CASTLESECTION, 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 STATIONTHE CEILOMETER READS TO 12,000 FTBKN 7,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYBKN 2,900 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYSCT 2,400 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 2,900 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLENew Castle, the skySTATION REPORT · ASOS UCPTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-UCP-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

70.0 F with a dew point of 66.0 F, 87 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 2,400 ft.

Chart of the air at New Castle: temperature 70.0 degrees Fahrenheit and dew point 66.0, 87 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 2,400 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT UCPFIG. B THE AIR AT NEW CASTLETHE 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 900 FT ABOVE THE STATION, AT 65.0 FLOWEST CLOUD REPORTED, SCT 2,400 FTTEMPERATURE 70.0 FDEW POINT 66.0 FSPREAD 4.0 FRELATIVE HUMIDITY 87 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 POINTTITLENew Castle, the airSTATION REPORT · ASOS UCPTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-UCP-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southwest (230 degrees) at 6 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at New Castle, north up: blowing from 230 degrees, the southwest, at 6 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 UCPFIG. C THE WIND AT NEW CASTLEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 230°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 6 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLENew Castle, the windSTATION REPORT · ASOS UCPTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-UCP-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of New Castle, 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 Farrell

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

Near Farrell

River and lake gauges