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Mechanicsburg, Pennsylvania

Borough in Cumberland County, Pennsylvania

Air quality

The air at Mechanicsburg

Index 35, good, led by fine particles. Read at 2 AM from its reporting area, Susquehanna Valley (PA), 28 miles off.

35Good
  • Fine particles (PM2.5)35Good9 mi
  • Ozone20Good20 ppb9 mi

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 28, good.

Smoke, the next 43 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 Mechanicsburg

None in the last 24 hours; 0.02 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.02in

Visibility

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

Visibility stays 3 miles or more through Sat 8 PM, lowest 3 miles Fri 6 PM.

FriSat

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

What is measuring near here

The 7 instruments nearest Mechanicsburg, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.1 miles away.

measured now5 instruments

measured daily2 instruments

Mechanicsburg 0.2 NWPA-CD-25

In a volunteer observer's own ground/0.1 mi away/463 ft/18 ft above here

precip, snowfall, snow depth

Rank-

HarrisburgHRBP1

At a cooperative observer's station/8.6 mi away/423 ft/22 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Harrisburg/Capital, drawn

The nearest airport reporting now, 8.2 mi from Mechanicsburg, Pennsylvania. From its report of Oct 16, 2026, 2:15 AM local time: 3 of its 6 sheets.

The sky

Scattered at 900 ft, broken at 1,700 ft, overcast at 2,200 ft; the ceiling is 1,700 ft; visibility 10 mi or more.

Section of the sky over Harrisburg/Capital, height above the station to scale: scattered cloud with its base at 900 feet, broken cloud with its base at 1,700 feet, overcast cloud with its base at 2,200 feet, the ceiling at 1,700 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CXYFIG. A THE SKY OVER HARRISBURG/CAPITALSECTION, 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 STATION05001,0001,5002,0002,5003,0003,500ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 2,200 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 1,700 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYSCT 900 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 1,700 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEHarrisburg/Capital, the skySTATION REPORT · ASOS CXYTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-CXY-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

58.0 F with a dew point of 56.0 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 900 ft.

Chart of the air at Harrisburg/Capital: temperature 58.0 degrees Fahrenheit and dew point 56.0, 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 900 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CXYFIG. B THE AIR AT HARRISBURG/CAPITALTHE 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 FSATURATES 500 FT ABOVE THE STATION, AT 55.5 FLOWEST CLOUD REPORTED, SCT 900 FTTEMPERATURE AND DEW POINT 58.0 F, 56.0 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 POINTTITLEHarrisburg/Capital, the airSTATION REPORT · ASOS CXYTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-CXY-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east southeast (120 degrees) at 6 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Harrisburg/Capital, north up: blowing from 120 degrees, the east southeast, at 6 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 CXYFIG. C THE WIND AT HARRISBURG/CAPITALPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 120°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 6 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEHarrisburg/Capital, the windSTATION REPORT · ASOS CXYTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-CXY-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Harrisburg/Capital, 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 Mechanicsburg

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

Near Mechanicsburg

River and lake gauges