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Wellersburg, Pennsylvania

Borough in Somerset County, Pennsylvania

Air quality

The air at Wellersburg

Index 32, good, led by ozone. Read at 9 AM from its reporting area, Western Maryland (MD), 8 miles off.

32Good
  • Fine particles (PM2.5)31Good8.8 mi
  • Ozone32Good39 ppb8.8 mi
  • Nitrogen dioxide4Good4.5 ppb8.8 mi
  • Sulfur dioxide0Good0.8 ppb8.8 mi

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 21, good.

Smoke, the next 41 hours

Little smoke near the ground through Sun 2 AM: the index from smoke stays at 11 or under.

FriSat

Precipitation

What has fallen at Wellersburg

0.02 in in the last 24 hours, 0.10 in over the last 3 days, to Fri 9 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.02in
Last 3 days
0.10in

Visibility

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

Visibility stays 5 miles or more through Sun 2 AM, lowest 5 miles Fri 4 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Wellersburg, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.8 miles away.

measured now4 instruments

Somerset2G9

At an airfield/23.0 mi away/2,231 ft/965 ft above here

temp, wind, gust, visibility, precip, pressure

Rank8of 1,383

measured daily2 instruments

GlencoeGLNP1

At a cooperative observer's station/5.9 mi away/1,673 ft/407 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Somerset, drawn

The nearest airport reporting now, 23.0 mi from Wellersburg, Pennsylvania. From its report of Oct 16, 2026, 10:35 AM local time: 3 of its 6 sheets.

The sky

Broken at 2,500 ft, overcast at 3,000 ft; the ceiling is 2,500 ft; visibility 10 mi or more.

Section of the sky over Somerset, height above the station to scale: broken cloud with its base at 2,500 feet, overcast cloud with its base at 3,000 feet, the ceiling at 2,500 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 2G9FIG. A THE SKY OVER SOMERSETSECTION, 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 STATION01,0002,0003,0004,0005,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 3,000 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 2,500 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 2,500 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLESomerset, the skySTATION REPORT · ASOS 2G9TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-2G9-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

69.8 F with a dew point of 62.6 F, 78 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,700 ft up; the lowest cloud reported is at 2,500 ft.

Chart of the air at Somerset: temperature 69.8 degrees Fahrenheit and dew point 62.6, 78 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,700 feet above the station, against the lowest cloud reported at 2,500 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 2G9FIG. B THE AIR AT SOMERSETTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00050 F60 F70 F80 FSATURATES 1,700 FT ABOVE THE STATION, AT 60.9 FLOWEST CLOUD REPORTED, BKN 2,500 FTTEMPERATURE 69.8 FDEW POINT 62.6 FSPREAD 7.2 FRELATIVE HUMIDITY 78 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 POINTTITLESomerset, the airSTATION REPORT · ASOS 2G9TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-2G9-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west southwest (250 degrees) at 15 mph, gusting 23 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 24 mph.

Plan of the wind at Somerset, north up: blowing from 250 degrees, the west southwest, at 15 miles an hour, gusting 23; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 2G9FIG. C THE WIND AT SOMERSETPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 250°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 15 MPH5FRESH BREEZE19GUST, 23 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESomerset, the windSTATION REPORT · ASOS 2G9TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-2G9-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Somerset, 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 Wellersburg

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

Near Wellersburg

River and lake gauges