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Knoxville, Pennsylvania

Borough in Tioga County, Pennsylvania

Air quality

The air at Knoxville

Index 23, good, led by ozone. Read at 3 AM from its reporting area, Williamsport (PA), 55 miles off.

23Good
  • Ozone23Good-

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 27, good.

Smoke, the next 42 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Knoxville

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

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

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

Visibility stays 6 miles or more through Sat 8 PM, lowest 7 miles Fri 6 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Knoxville, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 8.1 miles away.

measured now4 instruments

measured daily2 instruments

Westfield 2.4 WPA-TG-8

In a volunteer observer's own ground/8.1 mi away/1,436 ft/194 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Wellsboro, drawn

The nearest airport reporting now, 16.1 mi from Knoxville, Pennsylvania. From its report of Oct 16, 2026, 12:55 AM local time: 3 of its 6 sheets.

The sky

Overcast at 700 ft; the ceiling is 700 ft; visibility 10 mi or more.

Section of the sky over Wellsboro, height above the station to scale: overcast cloud with its base at 700 feet, the ceiling at 700 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT N38FIG. A THE SKY OVER WELLSBOROSECTION, 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 STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 700 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 700 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEWellsboro, the skySTATION REPORT · ASOS N38TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-N38-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

55.4 F with a dew point of 53.6 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 700 ft.

Chart of the air at Wellsboro: temperature 55.4 degrees Fahrenheit and dew point 53.6, 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 700 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT N38FIG. B THE AIR AT WELLSBOROTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00040 F50 F60 F70 FSATURATES 400 FT ABOVE THE STATION, AT 53.1 FLOWEST CLOUD REPORTED, OVC 700 FTTEMPERATURE AND DEW POINT 55.4 F, 53.6 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 POINTTITLEWellsboro, the airSTATION REPORT · ASOS N38TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-N38-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southwest (200 degrees) at 14 mph, gusting 24 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 25 mph.

Plan of the wind at Wellsboro, north up: blowing from 200 degrees, the south southwest, at 14 miles an hour, gusting 24; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT N38FIG. C THE WIND AT WELLSBOROPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 200°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 14 MPH5FRESH BREEZE19GUST, 24 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEWellsboro, the windSTATION REPORT · ASOS N38TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-N38-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Wellsboro, 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 Knoxville

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

Near Knoxville

River and lake gauges