Storm Station
Bull Run, Virginia
60°
Light rain· Feels like 60°·Gentle breeze 11 mph NNW
A slight chance of rain showers. Cloudy, with a low around 57. Northwest wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
-UV
-Air quality
81%Humidity
95%Cloud

What is measuring near here

The 4 instruments nearest Bull Run, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.0 miles away.

measured now2 instruments

Washington/DullesIAD

At an airfield/6.6 mi away/322 ft/74 ft above here

temp, wind, gust, visibility, precip, pressure

Rank20of 732

The Glade - Howland DriveGNHV2

At a river or reservoir gauge/9.9 mi away/295 ft/47 ft above here

temp, wind, gust, humidity, pressure

Rank526of 732

measured daily2 instruments

Centreville 0.3 NVA-FX-115

In a volunteer observer's own ground/2.0 mi away/235 ft/13 ft below here

precip, snowfall, snow depth

Rank-

ManassasMNNV2

At a cooperative observer's station/7.5 mi away/256 ft/8 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Washington/Dulles, drawn

The nearest airport reporting now, 6.6 mi from Bull Run. From its report of Sep 27, 2026, 4:52 AM local time: 3 of its 6 sheets.

The sky

Broken at 4,900 ft, overcast at 11,000 ft; the ceiling is 4,900 ft; visibility 10 mi or more.

Section of the sky over Washington/Dulles, height above the station to scale: broken cloud with its base at 4,900 feet, overcast cloud with its base at 11,000 feet, the ceiling at 4,900 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IADFIG. A THE SKY OVER WASHINGTON/DULLESSECTION, 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 STATION02,5005,0007,50010,00012,50015,00017,500ETAGESLOWMIDDLEHIGHTHE STATIONTHE CEILOMETER READS TO 12,000 FTOVC 11,000 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 4,900 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 4,900 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEWashington/Dulles, the skySTATION REPORT · ASOS IADTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-IAD-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018, FB-SKY-013, FB-SKY-014

The air

62.0 F with a dew point of 51.0 F, 67 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,500 ft up; the lowest cloud reported is at 4,900 ft.

Chart of the air at Washington/Dulles: temperature 62.0 degrees Fahrenheit and dew point 51.0, 67 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,500 feet above the station, against the lowest cloud reported at 4,900 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IADFIG. B THE AIR AT WASHINGTON/DULLESTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,00040 F50 F60 F70 FSATURATES 2,500 FT ABOVE THE STATION, AT 48.5 FLOWEST CLOUD REPORTED, BKN 4,900 FTTEMPERATURE 62.0 FDEW POINT 51.0 FSPREAD 11.0 FRELATIVE HUMIDITY 67 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 POINTTITLEWashington/Dulles, the airSTATION REPORT · ASOS IADTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-IAD-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (320 degrees) at 9 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 18 mph.

Plan of the wind at Washington/Dulles, north up: blowing from 320 degrees, the northwest, at 9 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IADFIG. C THE WIND AT WASHINGTON/DULLESPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 320°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 9 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEWashington/Dulles, the windSTATION REPORT · ASOS IADTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-IAD-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Washington/Dulles, in 6 sheets, each beside the Field Book plates that explain it

-in

Snow on the ground

Elsewhere in Virginia

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

Near Bull Run

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