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Cearfoss, Maryland

Community in Washington County, Maryland

Air quality

The air at Cearfoss

Index 22, good, led by fine particles. Read at 8 AM from its reporting area, Hagerstown Region (MD), 9 miles off.

22Good
  • Fine particles (PM2.5)22Good9.8 mi
  • Ozone14Good11 ppb9.8 mi

The days ahead

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

Smoke, the next 43 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 Cearfoss

0.08 in in the last 24 hours, and none in the 2 days before, to Fri 7 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.08in
Last 3 days
0.08in

Visibility

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

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

FriSat

On the radar over Cearfoss, MarylandReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Cearfoss, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.2 miles away.

measured now4 instruments

measured daily2 instruments

Station report

The weather at Hagerstown Regional, drawn

The nearest airport reporting now, 2.5 mi from Cearfoss, Maryland. From its report of Oct 16, 2026, 7:53 AM local time: 3 of its 6 sheets.

The sky

Overcast at 400 ft; the ceiling is 400 ft; visibility 7 mi.

Section of the sky over Hagerstown Regional, height above the station to scale: overcast cloud with its base at 400 feet, the ceiling at 400 feet, and visibility of 7 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HGRFIG. A THE SKY OVER HAGERSTOWN REGIONALSECTION, 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 400 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 400 FTVISIBILITY, MILES: 7 MI0510TITLEHagerstown Regional, the skySTATION REPORT · ASOS HGRTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-HGR-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

61.0 F with a dew point of 60.0 F, 97 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 400 ft.

Chart of the air at Hagerstown Regional: temperature 61.0 degrees Fahrenheit and dew point 60.0, 97 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 400 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HGRFIG. B THE AIR AT HAGERSTOWN REGIONALTHE 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 59.7 FLOWEST CLOUD REPORTED, OVC 400 FTTEMPERATURE AND DEW POINT 61.0 F, 60.0 FRELATIVE HUMIDITY 97 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 POINTTITLEHagerstown Regional, the airSTATION REPORT · ASOS HGRTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-HGR-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south (170 degrees) at 7 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 21 mph.

Plan of the wind at Hagerstown Regional, north up: blowing from 170 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 HGRFIG. C THE WIND AT HAGERSTOWN REGIONALPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 170°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEHagerstown Regional, the windSTATION REPORT · ASOS HGRTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-HGR-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Maryland

21 places, each with its own forecast and its own instruments.

Near Cearfoss

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

Near Cearfoss

River and lake gauges