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Willow Street, Pennsylvania

Community in Lancaster County, Pennsylvania

Air quality

The air at Willow Street

Index 29, good, led by fine particles. Read at 6 AM from its reporting area, Susquehanna Valley (PA), 18 miles off.

29Good
  • Fine particles (PM2.5)29Good4.6 mi
  • Ozone17Good16 ppb4.6 mi

The days ahead

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

Smoke, the next 44 hours

Little smoke near the ground through Sun 2 AM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Willow Street

None in the last 24 hours; 0.06 in over the last 3 days, to Fri 5 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.06in

Visibility

How far you can see at Willow Street, the next 44 hours

Visibility stays 7 miles or more through Sun 2 AM, lowest 8 miles Fri 7 AM.

FriSat

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

What is measuring near here

The 7 instruments nearest Willow Street, 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

LancasterLNS

At an airfield/9.6 mi away/404 ft/58 ft below here

temp, wind, gust, visibility, precip, pressure

Rank13of 1,383

measured daily2 instruments

Lancaster 5.7 SEPA-LN-11

In a volunteer observer's own ground/2.4 mi away/378 ft/84 ft below here

precip, snowfall, snow depth

Rank-

LancasterLCRP1

At a cooperative observer's station/4.7 mi away/322 ft/140 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Lancaster, drawn

The nearest airport reporting now, 9.6 mi from Willow Street, Pennsylvania. From its report of Oct 16, 2026, 6:53 AM local time: 3 of its 6 sheets.

The sky

Overcast at 600 ft; the ceiling is 600 ft; visibility 10 mi or more.

Section of the sky over Lancaster, height above the station to scale: overcast cloud with its base at 600 feet, the ceiling at 600 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LNSFIG. A THE SKY OVER LANCASTERSECTION, 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 600 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 600 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLELancaster, the skySTATION REPORT · ASOS LNSTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-LNS-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

60.0 F with a dew point of 59.0 F, 96 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 200 ft up; the lowest cloud reported is at 600 ft.

Chart of the air at Lancaster: temperature 60.0 degrees Fahrenheit and dew point 59.0, 96 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 200 feet above the station, against the lowest cloud reported at 600 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LNSFIG. B THE AIR AT LANCASTERTHE 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 FSATURATES 200 FT ABOVE THE STATION, AT 58.7 FLOWEST CLOUD REPORTED, OVC 600 FTTEMPERATURE AND DEW POINT 60.0 F, 59.0 FRELATIVE HUMIDITY 96 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 POINTTITLELancaster, the airSTATION REPORT · ASOS LNSTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-LNS-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south (190 degrees) at 7 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Lancaster, north up: blowing from 190 degrees, the south, at 7 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 LNSFIG. C THE WIND AT LANCASTERPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 190°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLELancaster, the windSTATION REPORT · ASOS LNSTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-LNS-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Lancaster, 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 Willow Street

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

Near Willow Street

River and lake gauges