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Dumbarton, Virginia

Community in Henrico County, Virginia

Air quality

The air at Dumbarton

Index 57, moderate, led by fine particles. Read at 5 AM from its reporting area, Richmond (VA), 12 miles off.

57Moderate
  • Fine particles (PM2.5)57Moderate-
  • Ozone16Good-
  • Coarse particles (PM10)19Good-

The days ahead

Moderate each day through Today, led by fine particles. Yesterday measured 52, moderate.

Smoke, the next 46 hours

Little smoke near the ground through Sun 2 AM: the index from smoke stays at 17 or under.

FriSat

Precipitation

What has fallen at Dumbarton

0.01 in in the last 24 hours, and none in the 2 days before, to Fri 4 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.01in
Last 3 days
0.01in

Visibility

How far you can see at Dumbarton, the next 46 hours

Visibility stays 5 miles or more through Sun 2 AM, lowest 6 miles Sat 10 AM.

FriSat

On the radar over Dumbarton, VirginiaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest Dumbarton, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.8 miles away.

measured now3 instruments

measured daily2 instruments

Dumbarton 0.2 EVA-HR-1

In a volunteer observer's own ground/0.8 mi away/213 ft/2 ft below here

precip, snowfall, snow depth

Rank-

AshlandASHV2

At a cooperative observer's station/9.4 mi away/246 ft/31 ft above here

snowfall, snow depth, precip, high, low

Rank12of 1,541

Station report

The weather at Richmond (ASOS), drawn

The nearest airport reporting now, 7.5 mi from Dumbarton, Virginia. From its report of Oct 16, 2026, 4:54 AM local time: 3 of its 6 sheets.

The sky

Overcast at 600 ft; the ceiling is 600 ft; visibility 7 mi.

Section of the sky over Richmond (ASOS), height above the station to scale: overcast cloud with its base at 600 feet, the ceiling at 600 feet, and visibility of 7 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT OFPFIG. A THE SKY OVER RICHMOND (ASOS)SECTION, 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: 7 MI0510TITLERichmond (ASOS), the skySTATION REPORT · ASOS OFPTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-OFP-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

64.0 F with a dew point of 62.0 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 600 ft.

Chart of the air at Richmond (ASOS): temperature 64.0 degrees Fahrenheit and dew point 62.0, 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 600 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT OFPFIG. B THE AIR AT RICHMOND (ASOS)THE 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 500 FT ABOVE THE STATION, AT 61.5 FLOWEST CLOUD REPORTED, OVC 600 FTTEMPERATURE AND DEW POINT 64.0 F, 62.0 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 POINTTITLERichmond (ASOS), the airSTATION REPORT · ASOS OFPTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-OFP-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southwest (200 degrees) at 6 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Richmond (ASOS), north up: blowing from 200 degrees, the south southwest, 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 OFPFIG. C THE WIND AT RICHMOND (ASOS)PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 200°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 6 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLERichmond (ASOS), the windSTATION REPORT · ASOS OFPTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-OFP-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Richmond (ASOS), in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Ashland (ASHV2), 9.4 miles from here, read 15 Oct, 18:00. measured daily

Elsewhere in Virginia

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

Near Dumbarton

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

Near Dumbarton

River and lake gauges