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Deer Lake, Pennsylvania

Community in Fayette County, Pennsylvania

Air quality

The air at Deer Lake

Index 8, good, led by ozone. Read at 11 PM from its reporting area, Morgantown (WV), 22 miles off.

8Good
  • Ozone8Good6 ppb22.4 mi

The days ahead

Yesterday measured 43, good.

Smoke, the next 46 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 Deer Lake

0.06 in in the last 24 hours, 0.19 in over the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.06in
Last 3 days
0.19in

Visibility

How far you can see at Deer Lake, the next 46 hours

Fog: visibility falls to 0.8 miles Fri 3 PM, under a mile for 1 hour.

FriSat

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

What is measuring near here

The 6 instruments nearest Deer Lake, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.1 miles away.

measured now4 instruments

measured daily2 instruments

ConnellsvilleCNLP1

At a cooperative observer's station/9.7 mi away/899 ft/1,034 ft below here

snowfall, snow depth, precip, high, low

Rank692of 1,383

Station report

The weather at Connellsville, drawn

The nearest airport reporting now, 8.4 mi from Deer Lake, Pennsylvania. From its report of Oct 15, 2026, 11:35 PM local time: 3 of its 6 sheets.

The sky

Scattered at 1,300 ft, broken at 2,100 ft, overcast at 2,900 ft; the ceiling is 2,100 ft; visibility 10 mi or more.

Section of the sky over Connellsville, height above the station to scale: scattered cloud with its base at 1,300 feet, broken cloud with its base at 2,100 feet, overcast cloud with its base at 2,900 feet, the ceiling at 2,100 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 STATION01,0002,0003,0004,0005,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 2,900 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 2,100 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYSCT 1,300 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 2,100 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

65.0 F with a dew point of 62.8 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 65.0 degrees Fahrenheit and dew point 62.8, 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 62.3 FLOWEST CLOUD REPORTED, SCT 1,300 FTTEMPERATURE AND DEW POINT 65.0 F, 62.8 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

Calm.

Plan of the wind at Connellsville, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, 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 STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE 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 Deer Lake

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

Near Deer Lake

River and lake gauges