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Confluence, Pennsylvania

Borough in Somerset County, Pennsylvania

Air quality

The air at Confluence

Index 9, good, led by ozone. Read at 12 AM from its reporting area, Western Maryland (MD), 27 miles off.

9Good
  • Fine particles (PM2.5)1Good19.8 mi
  • Ozone9Good9 ppb19.8 mi
  • Nitrogen dioxide4Good4.4 ppb19.8 mi
  • Sulfur dioxide0Good0.4 ppb19.8 mi

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 47, good.

Smoke, the next 44 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 Confluence

0.04 in in the last 24 hours, 0.19 in over the last 3 days, to Thu 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.04in
Last 3 days
0.19in

Visibility

How far you can see at Confluence, the next 44 hours

Mist or haze: visibility falls to 1 miles Fri 3 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Confluence, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.8 miles away.

measured now4 instruments

measured daily2 instruments

DamCFLP1

At a dam/0.8 mi away/1,499 ft/166 ft above here

snowfall, snow depth, precip, high, low

Rank100of 1,383

Station report

The weather at Connellsville, drawn

The nearest airport reporting now, 18.9 mi from Confluence, Pennsylvania. From its report of Oct 16, 2026, 12:35 AM local time: 3 of its 6 sheets.

The sky

Overcast at 1,300 ft; the ceiling is 1,300 ft; visibility 10 mi or more.

Section of the sky over Connellsville, height above the station to scale: overcast cloud with its base at 1,300 feet, the ceiling at 1,300 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT VVSFIG. A THE SKY OVER CONNELLSVILLESECTION, 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 1,300 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 1,300 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEConnellsville, the skySTATION REPORT · ASOS VVSTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-VVS-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

68.5 F with a dew point of 66.4 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up; the lowest cloud reported is at 1,300 ft.

Chart of the air at Connellsville: temperature 68.5 degrees Fahrenheit and dew point 66.4, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 500 feet above the station, against the lowest cloud reported at 1,300 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT VVSFIG. B THE AIR AT CONNELLSVILLETHE 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 500 FT ABOVE THE STATION, AT 65.8 FLOWEST CLOUD REPORTED, OVC 1,300 FTTEMPERATURE AND DEW POINT 68.5 F, 66.4 FRELATIVE HUMIDITY 93 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 POINTTITLEConnellsville, the airSTATION REPORT · ASOS VVSTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-VVS-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west southwest (240 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Connellsville, north up: blowing from 240 degrees, the west southwest, at 5 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 VVSFIG. C THE WIND AT CONNELLSVILLEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 240°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEConnellsville, the windSTATION REPORT · ASOS VVSTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-VVS-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Connellsville, 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 Confluence

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

Near Confluence

River and lake gauges