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Stoystown, Pennsylvania

Borough in Somerset County, Pennsylvania

Air quality

The air at Stoystown

Index 20, good, led by fine particles. Read at 1 AM from its reporting area, Johnstown (PA), 16 miles off.

20Good
  • Fine particles (PM2.5)20Good14.6 mi
  • Ozone11Good8 ppb14.6 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 Sat 8 PM: the index from smoke stays at 11 or under.

FriSat

Precipitation

What has fallen at Stoystown

0.02 in in the last 24 hours, 0.20 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.02in
Last 3 days
0.20in

Visibility

How far you can see at Stoystown, the next 43 hours

Mist or haze: visibility falls to 2 miles Fri 3 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Stoystown, 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

Somerset2G9

At an airfield/5.5 mi away/2,231 ft/261 ft above here

temp, wind, gust, visibility, precip, pressure

Rank8of 1,383

Quarry TrailQTRP1

At a river or reservoir gauge/14.0 mi away/2,749 ft/779 ft above here

temp, wind, gust, humidity, pressure

Rank339of 1,383

measured daily2 instruments

Stoystown 1.8 EPA-SM-12

In a volunteer observer's own ground/1.7 mi away/2,024 ft/54 ft above here

precip, snowfall, snow depth

Rank-

SomersetSMRP1

At a cooperative observer's station/9.9 mi away/2,110 ft/140 ft above here

snowfall, snow depth, precip, high, low

Rank97of 1,383

Station report

The weather at Somerset, drawn

The nearest airport reporting now, 5.5 mi from Stoystown, Pennsylvania. From its report of Oct 16, 2026, 1:35 AM local time: 3 of its 6 sheets.

The sky

Overcast at 500 ft; the ceiling is 500 ft; visibility 10 mi or more.

Section of the sky over Somerset, height above the station to scale: overcast cloud with its base at 500 feet, the ceiling at 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 STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 500 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 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

55.4 F with a dew point of 55.4 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 500 ft.

Chart of the air at Somerset: temperature 55.4 degrees Fahrenheit and dew point 55.4, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 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 STATION01,0002,0003,00040 F50 F60 F70 FSATURATED AT THE GROUNDLOWEST CLOUD REPORTED, OVC 500 FTTEMPERATURE AND DEW POINT 55.4 F, 55.4 FRELATIVE HUMIDITY 100 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-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south (170 degrees) at 7 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Somerset, north up: blowing from 170 degrees, the south, at 7 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 2G9FIG. C THE WIND AT SOMERSETPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 170°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG 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

0in

Snow on the ground

Measured at Somerset (SMRP1), 9.9 miles from here, read 15 Oct, 08:00. measured daily

Elsewhere in Pennsylvania

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

Near Stoystown

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

Near Stoystown

River and lake gauges