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Leesburg, Virginia

Town in Loudoun County, Virginia

Air quality

The air at Leesburg

Index 26, good, led by fine particles. Read at 3 AM from its reporting area, Northern Virginia (VA), 15 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 6 or under.

FriSat

Precipitation

What has fallen at Leesburg

0.09 in in the last 24 hours, and none in the 2 days before, to Fri 3 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.09in
Last 3 days
0.09in

Visibility

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

Visibility stays 7 miles or more through Sat 8 PM, lowest 8 miles Fri 5 AM.

FriSat

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

What is measuring near here

The 5 instruments nearest Leesburg, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.4 miles away.

measured now3 instruments

measured daily2 instruments

Lincoln 2SPURV2

At a cooperative observer's station/7.6 mi away/415 ft/113 ft above here

snowfall, snow depth, precip, high, low

Rank78of 1,541

Station report

The weather at Citizen station FW7374, drawn

The nearest instrument reporting now, 1.8 mi from Leesburg, Virginia. From its report of undefined: 3 of its 4 sheets.

The wind

Calm.

Plan of the wind at Citizen station FW7374, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FW7374FIG. C THE WIND AT CITIZEN STATION FW7374PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR1GUST, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECitizen station FW7374, the windSTATION REPORT · CWOP FW7374TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-16IDSR-FW7374-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 305 ft above sea level, 1 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.59 inHg and the temperature at 57.9 F; the station's altimeter setting of 30.04 inHg means its barometer reads 29.71 inHg; it reports 60.0 F, 2.1 F warmer than standard.

Section from sea level of where Citizen station FW7374 stands in the atmosphere, height to scale: the station 305 feet above sea level with 1 per cent of the air below it; the standard atmosphere's pressure there, 29.59 inches of mercury, and temperature, 57.9 degrees Fahrenheit; the altimeter setting of 30.04 and the station pressure it means, 29.71.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FW7374FIG. D WHERE CITIZEN STATION FW7374 STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHERECITIZEN STATION FW73741 PER CENT OF THE AIR BELOW IT305 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE29.59 inHgSTANDARD TEMPERATURE HERE57.9 FALTIMETER SETTING, REPORTED30.04 inHgITS BAROMETER READS29.71 inHgTEMPERATURE, REPORTED60.0 FTITLECitizen station FW7374, the columnSTATION REPORT · CWOP FW7374TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-16IDSR-FW7374-2DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The sun

On Oct 16 the noon sun stands 42 degrees above the horizon at 39.10 N, and the day is 11 h 00 min long. Level ground there takes 67 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Citizen station FW7374, angles true: on Oct 16 it stands 42 degrees above the horizon, against 74 at the June solstice, 51 at the equinoxes and 27 at the December solstice; the day is 11 h 00 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FW7374FIG. E THE SUN AT CITIZEN STATION FW7374ELEVATION LOOKING WEST, SOUTH TO THE LEFT: THE NOON SUN ON THE DAY OF THE REPORT, AND AT THE SOLSTICES AND EQUINOXES; ANGLES TRUETHE STATIONJUNE SOLSTICE 74°EQUINOXES 51°DECEMBER SOLSTICE 27°OCT 16, 42°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 00 MINLEVEL GROUND TAKES 67 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 39.10 N; THE SUN'S DECLINATION -9.1°TITLECitizen station FW7374, the sunSTATION REPORT · CWOP FW7374TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-16IDSR-FW7374-3DRAWN AS linework on paperSOURCES FB-ENG-007

The full report of Citizen station FW7374, in 4 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Lincoln 2S (PURV2), 7.6 miles from here, read 15 Oct, 08:30. measured daily

Elsewhere in Virginia

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

Near Leesburg

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

Near Leesburg

River and lake gauges