Storm Station
Montclair, Virginia
59° 67°/59°
Overcast· Feels like 59°·Light breeze 7 mph NNW
A slight chance of rain showers. Cloudy, with a low around 59. Northwest wind around 12 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
0UV Low
26Air quality
75%Humidity
100%Cloud
Now
3:45 AM
59feels59
now, overcast
Today
Sep 27
6759
27%
18mph
drizzle light
Mon
Sep 28
7160
14mph
overcast
Tue
Sep 29
7762
overcast
Wed
Sep 30
8459
overcast
Thu
Oct 1
8959
overcast
Fri
Oct 2
9163
13%
drizzle light
Sat
Oct 3
6554
20%
overcast
59°
67°59°
71°60°
77°62°
84°59°
89°59°
91°63°
65°54°

As of 3:45 AM in Montclair, Virginia.

What is measuring near here

The 4 instruments nearest Montclair, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.8 miles away.

measured now2 instruments

Quantico McafNYG

At an airfield/8.1 mi away/13 ft/232 ft below here

temp, wind, gust, visibility, precip, pressure

Rank691of 731

measured daily2 instruments

Dale City 0.5 WNWVA-PW-2

In a volunteer observer's own ground/2.8 mi away/308 ft/63 ft above here

precip, snowfall, snow depth

Rank-

ManassasMNNV2

At a cooperative observer's station/11.5 mi away/256 ft/11 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Triangle - Prince William RAWS, drawn

The nearest instrument reporting now, 3.8 mi from Montclair. From its report of Sep 27, 2026, 2:36 AM local time: 3 of its 5 sheets.

The air

57.0 F with a dew point of 55.9 F, 96 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 300 ft up.

Chart of the air at Triangle - Prince William RAWS: temperature 57.0 degrees Fahrenheit and dew point 55.9, 96 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 300 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PWRV2FIG. B THE AIR AT TRIANGLE - PRINCE WILLIAM RAWSTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00040 F50 F60 F70 FSATURATES 300 FT ABOVE THE STATION, AT 55.5 FTEMPERATURE AND DEW POINT 57.0 F, 55.9 FRELATIVE HUMIDITY 96 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 POINTTITLETriangle - Prince William RAWS, the airSTATION REPORT · DCP PWRV2TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-09-27IDSR-PWRV2-1DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Triangle - Prince William RAWS, 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 PWRV2FIG. C THE WIND AT TRIANGLE - PRINCE WILLIAM RAWSPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE4GUST, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLETriangle - Prince William RAWS, the windSTATION REPORT · DCP PWRV2TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-09-27IDSR-PWRV2-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 229 ft above sea level, 1 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.67 inHg and the temperature at 58.2 F; it reports 57.0 F, 1.2 F colder than standard.

Section from sea level of where Triangle - Prince William RAWS stands in the atmosphere, height to scale: the station 229 feet above sea level with 1 per cent of the air below it; the standard atmosphere's pressure there, 29.67 inches of mercury, and temperature, 58.2 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PWRV2FIG. D WHERE TRIANGLE - PRINCE WILLIAM RAWS 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 ATMOSPHERETRIANGLE - PRINCE WILLIAM RAWS1 PER CENT OF THE AIR BELOW IT229 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 HERE29.67 inHgSTANDARD TEMPERATURE HERE58.2 FTEMPERATURE, REPORTED57.0 FTITLETriangle - Prince William RAWS, the columnSTATION REPORT · DCP PWRV2TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-09-27IDSR-PWRV2-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Triangle - Prince William RAWS, in 5 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 Montclair

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