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Hampstead, Maryland

Town in Carroll County, Maryland

Air quality

The air at Hampstead

Index 26, good, led by ozone. Read at 7 PM from its reporting area, Northern Baltimore (MD), 19 miles off.

26Good
  • Fine particles (PM2.5)23Good15 mi
  • Ozone26Good26 ppb14.8 mi
  • Nitrogen dioxide8Good9.6 ppb16.7 mi

The days ahead

Good each day through Wed Oct 21, led by fine particles. Yesterday measured 22, good.

Smoke, the next 43 hours

No smoke near the ground through Sun 2 PM.

FriSatSun

Precipitation

What has fallen at Hampstead

0.33 in in the last 24 hours, 0.41 in over the last 3 days, to Fri 7 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.33in
Last 3 days
0.41in

Visibility

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

Visibility stays 9 miles or more through Sun 2 PM, lowest 9 miles Sat 3 AM.

FriSatSun

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

What is measuring near here

The 6 instruments nearest Hampstead, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.6 miles away.

measured now4 instruments

WestminsterDMW

At an airfield/8.4 mi away/789 ft/116 ft below here

temp, wind, gust, visibility, precip, pressure

Rank547of 742

measured daily2 instruments

Upperco 4.2 ENEMD-BL-60

In a volunteer observer's own ground/4.3 mi away/665 ft/240 ft below here

precip, snowfall, snow depth

Rank-

MillersMLLM2

At a cooperative observer's station/8.2 mi away/814 ft/91 ft below here

snowfall, snow depth, precip, high, low

Rank26of 742

Station report

The weather at Westminster, drawn

The nearest airport reporting now, 8.4 mi from Hampstead, Maryland. From its report of Oct 16, 2026, 7:55 PM local time: 3 of its 6 sheets.

The sky

Scattered at 8,500 ft; visibility 10 mi or more.

Section of the sky over Westminster, height above the station to scale: scattered cloud with its base at 8,500 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DMWFIG. A THE SKY OVER WESTMINSTERSECTION, 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 STATION02,5005,0007,50010,00012,50015,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTSCT 8,500 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLEWestminster, the skySTATION REPORT · ASOS DMWTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-DMW-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

64.4 F with a dew point of 55.4 F, 73 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,100 ft up; the lowest cloud reported is at 8,500 ft.

Chart of the air at Westminster: temperature 64.4 degrees Fahrenheit and dew point 55.4, 73 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,100 feet above the station, against the lowest cloud reported at 8,500 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DMWFIG. B THE AIR AT WESTMINSTERTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,0008,00040 F50 F60 F70 F80 FSATURATES 2,100 FT ABOVE THE STATION, AT 53.3 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, SCT 8,500 FTTEMPERATURE 64.4 FDEW POINT 55.4 FSPREAD 9.0 FRELATIVE HUMIDITY 73 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 POINTTITLEWestminster, the airSTATION REPORT · ASOS DMWTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-DMW-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west northwest (300 degrees) at 7 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 37 mph.

Plan of the wind at Westminster, north up: blowing from 300 degrees, the west northwest, 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 DMWFIG. C THE WIND AT WESTMINSTERPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 300°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEWestminster, the windSTATION REPORT · ASOS DMWTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-DMW-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Westminster, 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 Hampstead

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

Near Hampstead

River and lake gauges