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Addison, Pennsylvania

Borough in Somerset County, Pennsylvania

Air quality

The air at Addison

Index 28, good, led by ozone. Read at 8 AM from its reporting area, Western Maryland (MD), 24 miles off.

28Good
  • Fine particles (PM2.5)24Good17.7 mi
  • Ozone28Good37 ppb17.7 mi
  • Nitrogen dioxide3Good3.7 ppb17.7 mi
  • Sulfur dioxide0Good0.5 ppb17.7 mi

The days ahead

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

0.04 in in the last 24 hours, 0.37 in over the last 3 days, to Fri 7 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.04in
Last 3 days
0.37in

Visibility

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

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

FriSat

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

What is measuring near here

The 6 instruments nearest Addison, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.9 miles away.

measured now4 instruments

measured daily2 instruments

DamCFLP1

At a dam/4.0 mi away/1,499 ft/581 ft below here

snowfall, snow depth, precip, high, low

Rank100of 1,383

Station report

The weather at Connellsville, drawn

The nearest airport reporting now, 22.4 mi from Addison, Pennsylvania. From its report of Oct 16, 2026, 8:15 AM local time: 3 of its 6 sheets.

The sky

Broken at 7,500 ft, broken at 8,000 ft, overcast at 10,000 ft; the ceiling is 7,500 ft; visibility 10 mi or more.

Section of the sky over Connellsville, height above the station to scale: broken cloud with its base at 7,500 feet, broken cloud with its base at 8,000 feet, overcast cloud with its base at 10,000 feet, the ceiling at 7,500 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 STATION02,5005,0007,50010,00012,50015,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTOVC 10,000 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 8,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYBKN 7,500 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 7,500 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-013, FB-SKY-014

The air

71.0 F with a dew point of 63.0 F, 76 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,900 ft up; the lowest cloud reported is at 7,500 ft.

Chart of the air at Connellsville: temperature 71.0 degrees Fahrenheit and dew point 63.0, 76 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,900 feet above the station, against the lowest cloud reported at 7,500 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 STATION01,0002,0003,0004,0005,0006,0007,0008,00050 F60 F70 F80 FSATURATES 1,900 FT ABOVE THE STATION, AT 61.1 FLOWEST CLOUD REPORTED, BKN 7,500 FTTEMPERATURE 71.0 FDEW POINT 63.0 FSPREAD 8.0 FRELATIVE HUMIDITY 76 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-002, FB-ENG-011, FB-ENG-005

The wind

From the southwest (220 degrees) at 13 mph, gusting 16 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 23 mph.

Plan of the wind at Connellsville, north up: blowing from 220 degrees, the southwest, at 13 miles an hour, gusting 16; beside it the Beaufort scale from calm to hurricane force, force 4, moderate 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 220°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 13 MPH5FRESH 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 Addison

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

Near Addison

River and lake gauges