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South Fork, Pennsylvania

Borough in Cambria County, Pennsylvania

Air quality

The air at South Fork

Index 24, good, led by fine particles. Read at 8 AM from its reporting area, Johnstown (PA), 7 miles off.

24Good
  • Fine particles (PM2.5)24Good7.5 mi
  • Ozone1Good0 ppb7.5 mi

The days ahead

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

Smoke, the next 43 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 South Fork

0.13 in in the last 24 hours, 0.66 in over the last 3 days, to Fri 7 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.13in
Last 3 days
0.66in

Visibility

How far you can see at South Fork, the next 43 hours

Visibility stays 3 miles or more through Sun 2 AM, lowest 3 miles Fri 3 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest South Fork, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.5 miles away.

measured now4 instruments

measured daily2 instruments

Johnstown 3.9 SEPA-CM-10

In a volunteer observer's own ground/6.1 mi away/2,007 ft/437 ft above here

precip, snowfall, snow depth

Rank-

EbensburgEBNP1

At a cooperative observer's station/7.9 mi away/1,929 ft/359 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Johnstown/Cambria, drawn

The nearest airport reporting now, 4.0 mi from South Fork, Pennsylvania. From its report of Oct 16, 2026, 7:54 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 4,700 ft, scattered at 8,000 ft, broken at 9,500 ft; the ceiling is 9,500 ft; visibility 10 mi or more.

Section of the sky over Johnstown/Cambria, height above the station to scale: a few clouds cloud with its base at 4,700 feet, scattered cloud with its base at 8,000 feet, broken cloud with its base at 9,500 feet, the ceiling at 9,500 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT JSTFIG. A THE SKY OVER JOHNSTOWN/CAMBRIASECTION, 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 9,500 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYSCT 8,000 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYFEW 4,700 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYCEILING 9,500 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEJohnstown/Cambria, the skySTATION REPORT · ASOS JSTTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-JST-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

65.0 F with a dew point of 62.0 F, 90 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 700 ft up; the lowest cloud reported is at 4,700 ft.

Chart of the air at Johnstown/Cambria: temperature 65.0 degrees Fahrenheit and dew point 62.0, 90 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 700 feet above the station, against the lowest cloud reported at 4,700 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT JSTFIG. B THE AIR AT JOHNSTOWN/CAMBRIATHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,00050 F60 F70 F80 FSATURATES 700 FT ABOVE THE STATION, AT 61.3 FLOWEST CLOUD REPORTED, FEW 4,700 FTTEMPERATURE 65.0 FDEW POINT 62.0 FSPREAD 3.0 FRELATIVE HUMIDITY 90 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 POINTTITLEJohnstown/Cambria, the airSTATION REPORT · ASOS JSTTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-JST-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southwest (210 degrees) at 10 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 28 mph.

Plan of the wind at Johnstown/Cambria, north up: blowing from 210 degrees, the south southwest, at 10 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 JSTFIG. C THE WIND AT JOHNSTOWN/CAMBRIAPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 210°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEJohnstown/Cambria, the windSTATION REPORT · ASOS JSTTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-JST-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Ebensburg (EBNP1), 7.9 miles from here, read 13 Oct, 08:00. measured daily

Elsewhere in Pennsylvania

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

Near South Fork

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

Near South Fork

River and lake gauges