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Leesylvania, Virginia

Community in Prince William County, Virginia

Air quality

The air at Leesylvania

Index 26, good, led by fine particles. Read at 3 AM from its reporting area, Northern Virginia (VA), 22 miles off.

26Good
  • Fine particles (PM2.5)26Good-
  • Ozone14Good-
  • Coarse particles (PM10)8Good-

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 28, good.

Smoke, the next 41 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 11 or under.

FriSat

Precipitation

What has fallen at Leesylvania

None in the last 3 days, to Fri 3 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at Leesylvania, the next 41 hours

Visibility stays 7 miles or more through Sat 8 PM, lowest 8 miles Fri 8 AM.

FriSat

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

What is measuring near here

The 5 instruments nearest Leesylvania, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.5 miles away.

measured now3 instruments

measured daily2 instruments

Dale City 0.5 WNWVA-PW-2

In a volunteer observer's own ground/4.7 mi away/308 ft/298 ft above here

precip, snowfall, snow depth

Rank-

ManassasMNNV2

At a cooperative observer's station/14.0 mi away/256 ft/246 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Quantico Mcaf, drawn

The nearest airport reporting now, 7.4 mi from Leesylvania, Virginia. From its report of Oct 16, 2026, 3:34 AM local time: 3 of its 6 sheets.

The sky

Overcast at 800 ft; the ceiling is 800 ft.

Section of the sky over Quantico Mcaf, height above the station to scale: overcast cloud with its base at 800 feet, the ceiling at 800 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 800 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 800 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

62.0 F with a dew point of 61.0 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 800 ft.

Chart of the air at Quantico Mcaf: temperature 62.0 degrees Fahrenheit and dew point 61.0, 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 800 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 200 FT ABOVE THE STATION, AT 60.7 FLOWEST CLOUD REPORTED, OVC 800 FTTEMPERATURE AND DEW POINT 62.0 F, 61.0 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 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 (210 degrees) at 7 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Quantico Mcaf, north up: blowing from 210 degrees, the south southwest, 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 NYGFIG. C THE WIND AT QUANTICO MCAFPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 210°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 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 Leesylvania

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

Near Leesylvania

River and lake gauges