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Downsville, Maryland

Community in Washington County, Maryland

Air quality

The air at Downsville

Index 33, good, led by ozone. Read at 2 PM from its reporting area, Hagerstown Region (MD), 7 miles off.

33Good
  • Fine particles (PM2.5)21Good-
  • Ozone33Good22 ppb4.3 mi

The days ahead

Good each day through Wed Oct 21, led by fine particles. Yesterday measured 18, good.

Smoke, the next 43 hours

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

FriSatSun

Precipitation

What has fallen at Downsville

0.05 in in the last 24 hours, 0.08 in over the last 3 days, to Fri 1 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.05in
Last 3 days
0.08in

Visibility

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

Visibility stays 10 miles or more through Sun 8 AM.

FriSatSun

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

What is measuring near here

The 6 instruments nearest Downsville, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.9 miles away.

measured now4 instruments

I-70 @ I-81MD011

Beside a road/4.4 mi away/499 ft/44 ft above here

temp, pavement temp, wind, visibility, precip

Rank331of 736

measured daily2 instruments

Williamsport 4.7 SMD-WH-4

In a volunteer observer's own ground/1.9 mi away/417 ft/38 ft below here

precip, snowfall, snow depth

Rank-

WilliamsportWLLM2

At a cooperative observer's station/5.1 mi away/541 ft/86 ft above here

snowfall, snow depth, precip, high, low

Rank59of 736

Station report

The weather at Hagerstown Regional, drawn

The nearest airport reporting now, 11.3 mi from Downsville, Maryland. From its report of Oct 16, 2026, 1:53 PM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Hagerstown Regional, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.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 SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEHagerstown Regional, the skySTATION REPORT · ASOS HGRTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-HGR-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

79.0 F with a dew point of 67.0 F, 67 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,800 ft up.

Chart of the air at Hagerstown Regional: temperature 79.0 degrees Fahrenheit and dew point 67.0, 67 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,800 feet above the station; 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 STATION01,0002,0003,0004,00050 F60 F70 F80 F90 FSATURATES 2,800 FT ABOVE THE STATION, AT 64.1 FTEMPERATURE 79.0 FDEW POINT 67.0 FSPREAD 12.0 FRELATIVE HUMIDITY 67 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-002, FB-ENG-011, FB-ENG-005

The wind

From the south southeast (150 degrees) at 10 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 21 mph.

Plan of the wind at Hagerstown Regional, north up: blowing from 150 degrees, the south southeast, at 10 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 HGRFIG. C THE WIND AT HAGERSTOWN REGIONALPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 150°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE 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 Downsville

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

Near Downsville

River and lake gauges