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Unionville, Pennsylvania

Borough in Centre County, Pennsylvania

Air quality

The air at Unionville

Index 25, good, led by ozone. Read at 12 AM from its reporting area, State College (PA), 8 miles off.

25Good
  • Fine particles (PM2.5)21Good6.8 mi
  • Ozone25Good21 ppb6.8 mi

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 38, good.

Smoke, the next 45 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Unionville

None in the last 3 days, to Thu 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at Unionville, the next 45 hours

Mist or haze: visibility falls to 1 mile Fri 4 AM.

FriSat

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

What is measuring near here

The 7 instruments nearest Unionville, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.3 miles away.

measured now5 instruments

Bear KnobBKBP1

At a river or reservoir gauge/4.1 mi away/2,205 ft/1,420 ft above here

temp, wind, gust, humidity, pressure

Rank627of 1,383

measured daily2 instruments

Station report

The weather at State College, drawn

The nearest airport reporting now, 4.1 mi from Unionville, Pennsylvania. From its report of Oct 15, 2026, 11:55 PM local time: 3 of its 6 sheets.

The sky

Overcast at 800 ft; the ceiling is 800 ft; visibility 10 mi or more.

Section of the sky over State College, height above the station to scale: overcast cloud with its base at 800 feet, the ceiling at 800 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT UNVFIG. A THE SKY OVER STATE COLLEGESECTION, 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 800 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 800 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEState College, the skySTATION REPORT · ASOS UNVTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-UNV-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

57.2 F with a dew point of 57.2 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 800 ft.

Chart of the air at State College: temperature 57.2 degrees Fahrenheit and dew point 57.2, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 800 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT UNVFIG. B THE AIR AT STATE COLLEGETHE 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 FSATURATED AT THE GROUNDLOWEST CLOUD REPORTED, OVC 800 FTTEMPERATURE AND DEW POINT 57.2 F, 57.2 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 POINTTITLEState College, the airSTATION REPORT · ASOS UNVTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-UNV-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south (180 degrees) at 8 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at State College, north up: blowing from 180 degrees, the south, at 8 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 UNVFIG. C THE WIND AT STATE COLLEGEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 180°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 8 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEState College, the windSTATION REPORT · ASOS UNVTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-UNV-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of State College, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at State College (STCP1), 7.4 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 Unionville

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

Near Unionville

River and lake gauges