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Dahlgren, Virginia

Community in King George County, Virginia

Air quality

The air at Dahlgren

Index 11, good, led by ozone. Read at 5 AM from its reporting area, Southern Maryland (MD), 15 miles off.

11Good
  • Ozone11Good-

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 20, good.

Smoke, the next 46 hours

Little smoke near the ground through Sun 2 AM: the index from smoke stays at 11 or under.

FriSat

Precipitation

What has fallen at Dahlgren

0.39 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
0.39in
Last 3 days
0.39in

Visibility

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

Visibility stays 7 miles or more through Sun 2 AM, lowest 8 miles Fri 5 AM.

FriSat

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

What is measuring near here

The 5 instruments nearest Dahlgren, 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 now3 instruments

DahlgrenNDBC-NCDV2

At a river or reservoir gauge/1.9 mi away/-/- ft from here

temp, wind, gust, humidity, pressure

Rank1,411of 1,541

measured daily2 instruments

Colonial Beach 0.5 NNWVA-WM-4

In a volunteer observer's own ground/7.1 mi away/19 ft/6 ft above here

precip, snowfall, snow depth

Rank-

CorbinCORV2

At a cooperative observer's station/19.9 mi away/210 ft/197 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Quantico Mcaf, drawn

The nearest airport reporting now, 17.4 mi from Dahlgren, Virginia. From its report of Oct 16, 2026, 4:56 AM local time: 3 of its 6 sheets.

The sky

Broken at 700 ft, overcast at 1,100 ft; the ceiling is 700 ft.

Section of the sky over Quantico Mcaf, height above the station to scale: broken cloud with its base at 700 feet, overcast cloud with its base at 1,100 feet, the ceiling at 700 feet.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NYGFIG. A THE SKY OVER QUANTICO MCAFSECTION, 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 1,100 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 700 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 700 FTTITLEQuantico Mcaf, the skySTATION REPORT · ASOS NYGTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-NYG-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

63.0 F with a dew point of 61.0 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 700 ft.

Chart of the air at Quantico Mcaf: temperature 63.0 degrees Fahrenheit and dew point 61.0, 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 700 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NYGFIG. B THE AIR AT QUANTICO MCAFTHE 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 60.5 FLOWEST CLOUD REPORTED, BKN 700 FTTEMPERATURE AND DEW POINT 63.0 F, 61.0 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 POINTTITLEQuantico Mcaf, the airSTATION REPORT · ASOS NYGTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-NYG-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 Quantico Mcaf, 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 NYGFIG. C THE WIND AT QUANTICO MCAFPLAN, 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 FORCE73TITLEQuantico Mcaf, the windSTATION REPORT · ASOS NYGTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-NYG-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Virginia

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

Near Dahlgren

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

Near Dahlgren

River and lake gauges