KIAD/IAD METAR & TAF Washington Dulles International Airport

Dulles, VirginiaElevation 312 ftLarge airport

CURRENT STATUS

VFR6 min old

No ceiling, visibility 9 SM.

FLIGHT CATEGORY

VFR

ceiling & visibility

WIND

Calm

no steady wind

VISIBILITY

9 SM

14.5 km

CEILING

None

no BKN/OVC layer

DENSITY ALT

-1,065 ft

-1,377 ft vs field

ACTIVE NWS ALERTS

Active weather alerts

Frost AdvisoryMinor · Expected · Likely

26 0500Z to 26 1300Z

Carroll; Northern Baltimore; Cecil; Northwest Montgomery; Central and Southeast Montgomery; Northwest Howard; Central and Southeast Howard; Northwest Harford; Southeast Harford; Albemarle; Greene; Madison; Rappahannock; Orange; Culpeper; Fairfax; Stafford; Spotsylvania; Northern Fauquier; Southern Fauquier; Eastern Loudoun; Northwest Prince William; Central and Southeast Prince William/Manassas/Manassas Park

* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Portions of central and northern Maryland, and central and northern Virginia. * WHEN...From 1 AM to 9 AM EDT Monday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...The lowest temperatures and subsequent frost potential are exp…

Take steps now to protect tender plants from the cold.

Alerts from the National Weather Service. For situational awareness only; always confirm against an official briefing.

CURRENT METAR

Decoded observation

Observed 0452Z (12:52 AM local) · 6 min old

KIAD is currently VFR. Winds are calm. Visibility is 9 statute miles. There is no ceiling.

WIND

Calm

No steady wind.

VISIBILITY

9 statute miles

14.5 km, good.

CEILING & SKY

CLR

FEW and SCT layers are not ceilings.

TEMP / DEWPOINT

7°C / 6°C

45°F / 43°F. 1°C spread.

ALTIMETER

30.42 inHg

1030.1 hPa, above standard.

WEATHER & HAZARDS

No significant hazards

No precipitation or obscuration reported.

Codes in this report: CLR RMK AO2

Hover or tap any group for a plain-English explanation.

REMARKS: DECODED

AO2

automated station with a precipitation discriminator (can tell rain from snow)

SLP303

sea-level pressure 1030.3 hPa

T00670061

precise temperature 6.7°C, dew point 6.1°C

401890039

24-hour maximum 18.9°C, minimum 3.9°C

$

station needs maintenance

TERMINAL AERODROME FORECAST

TAF timeline

Issued 0256Z (10:56 PM local) · valid to 0600Z (2:00 AM local)

KIAD forecast starts VFR at 03Z. Conditions are roughly steady over the period.

VFR

0300Z11:00 PM0824Z4:24 AM1348Z9:48 AM1912Z3:12 PM0036Z8:36 PM0600Z2:00 AM

Codes in this report: P6SM FEW BR SKC

Tap any group to decode it.

FAA: no delays reported at IAD.

Source: FAA System Operations (ASWS). Operational status only; verify with official FAA sources and NOTAMs.

SUGGESTED RISK · TRAINING USE

Suggested risk level: Low

›No significant weather concerns in the current report.

A suggested risk level for training and situational awareness only, not a go/no-go authority. Verify with official sources and apply your personal minimums.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

Current aviation conditions show flight category VFR, wind calm, visibility 9 SM, ceiling none. Forecast suggests monday areas of frost then sunny, high near 70F, low near 46F, 0% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

Day	Conditions	Temp F	Wind	Gusts	Precip
Monday	Areas Of Frost then Sunny	70/46	W 5 kt	–	0%
Tuesday	Sunny	69/47	N 5 kt	–	0%
Wednesday	Partly Sunny	67/48	E 4 kt	–	0%
Thursday	Mostly Sunny	72/49	S 5 kt	–	0%
Friday	Sunny	76/52	W 2 kt	–	0%
Saturday	Mostly Sunny	73/55	E 5 kt	–	5%
Sunday	Chance Rain Showers	71	S 7 kt	–	32%

Source: National Weather Service (office LWX). Forecast issued 0402Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

RUNWAYS & WIND

4 runways · crosswind ranking

WIND USED

Wind calm or variable

Crosswind ranking is unavailable until the wind has a steady direction.

Components are estimates from the current METAR wind and runway heading. Verify with the Chart Supplement and NOTAMs.

RUNWAYS

Runway detail & declared distances

4 runways · longest 11,500 ft

01L/19R

Dimensions

9,400 x 150 ft

Surface

Concrete (excellent)

Edge lights

HIGH

RWY 01L1°T

Landing length (LDA)9,400 ft

TORA / TODA / ASDA9,400 / 9,400 / 9,400 ft

ILSILS/DME

Approach lightsALSF2

VGSIPAPI (P4L)

RWY 19R181°T

Landing length (LDA)9,400 ft

TORA / TODA / ASDA9,400 / 9,400 / 9,400 ft

ILSILS/DME

Approach lightsALSF2

VGSIPAPI (P4L)

12/30

Dimensions

10,501 x 150 ft

Surface

Concrete (good)

Edge lights

HIGH

RWY 12111°T

Landing length (LDA)10,501 ft

TORA / TODA / ASDA10,501 / 10,501 / 10,501 ft

ILSILS

Approach lightsMALSR

VGSIPAPI (P4R)

Traffic patternLeft

RWY 30291°T

Landing length (LDA)10,501 ft

TORA / TODA / ASDA10,501 / 10,501 / 10,501 ft

REILYes

VGSIPAPI (P4L)

Traffic patternLeft

01R/19L

Dimensions

11,500 x 150 ft

Surface

Concrete (good)

Edge lights

HIGH

RWY 01R1°T

Landing length (LDA)11,500 ft

TORA / TODA / ASDA11,500 / 11,500 / 11,500 ft

ILSILS/DME

Approach lightsALSF2

VGSIPAPI (P4R)

Traffic patternLeft

RWY 19L181°T

Landing length (LDA)11,500 ft

TORA / TODA / ASDA11,500 / 11,500 / 11,500 ft

ILSILS/DME

Approach lightsALSF2

VGSIPAPI (P4L)

Traffic patternLeft

01C/19C

Dimensions

11,500 x 150 ft

Surface

Concrete (excellent)

Edge lights

HIGH

RWY 01C1°T

Landing length (LDA)11,500 ft

TORA / TODA / ASDA11,500 / 11,500 / 11,500 ft

ILSILS

Approach lightsMALSR

VGSIPAPI (P4L)

Traffic patternLeft

RWY 19C181°T

Landing length (LDA)11,089 ft

TORA / TODA / ASDA11,500 / 11,500 / 11,500 ft

ILSILS

Approach lightsALSF2

VGSIPAPI (P4R)

Traffic patternLeft

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Performance & density altitude

Density altitude

-1,065 ft

Pressure altitude

-188 ft

Field elevation

312 ft MSL

Temperature

7°C (45°F)

Dewpoint

6°C (43°F)

Altimeter

30.42 inHg

Density altitude estimates how the aircraft performs versus standard atmosphere. Higher density altitude reduces climb performance and increases takeoff distance.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset

2217Z 6:17 PM

Sunrise

1130Z 7:30 AM

Loggable night

2245Z (6:45 PM local) → 1103Z (7:03 AM local)

end of evening to start of morning civil twilight

Position lights required

2217Z (6:17 PM local) → 1130Z (7:30 AM local)

sunset to sunrise (91.209)

Night passenger currency

2317Z (7:17 PM local) → 1030Z (6:30 AM local)

1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

Washington Dulles International Airport is in Dulles, Virginia. Field elevation 312 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT

OwnershipPublicly owned

UseOpen to the public

TypeLarge airport

Airline serviceYes

ManagerRICHARD GOLINOWSKI

Manager phone703-572-2730

AttendedContinuous (24 hours)

CHARTS & AIRSPACE

ICAO / IATAKIAD / IAD

SectionalWASHINGTON

Center (ARTCC)WASHINGTON

Flight service (AFSS)LEESBURG

RegionVirginia

CountryUnited States

Coordinates38.9445, -77.4558

Distance from city20 NM W

SERVICES & LIGHTING

Fuel100LL · Jet A

Control towerTowered

BeaconSunset to sunrise · White-green (lighted land airport)

UNICOM122.950

FREQUENCIES

Communications

120.45

POTOMAC APP

APP

134.85

ATIS

135.7

CLNC DEL

CLD

125.05

POTOMAC DEP

DEP

121.9

GND

113.5

ARMEL RCO

RCO

129.55

RAMP CON

RMP

120.1

TWR

122.95

UNICOM

UNIC

122.950

UNICOM

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRCRAFT ACTIVITY

KIAD traffic patterns

2026-06-12 to 2026-10-23, 70 days observed · data 2026-10-23

High confidence

TRAFFIC VOLUME (30-DAY)

AVG LANDINGS/DAY

528.6

AVG OPS/DAY

607.6

Operations trend (18 days)

Busiest day: Thu · Busiest month: Jun

FLEET MIX

Airliner 70%Unknown 20%Jet 7%Turboprop 2%

Mostly airliner-class aircraft.

TOP AIRCRAFT TYPES

›E75L (Airliner) · ~1270 landings/mo

›E45X (Unknown) · ~986 landings/mo

›B39M (Airliner) · ~815 landings/mo

›B739 (Airliner) · ~630 landings/mo

›CRJ7 (Airliner) · ~475 landings/mo

LIKELY BASED AIRCRAFT

Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly aircraft of unknown type.

›E45X (Unknown)

›CRJ7 (Airliner)

›E75L (Airliner)

›E55P (Jet)

›UNKN (Unknown)

This is an estimate based on repeated flight patterns, not registration data. Do not rely on it to identify specific aircraft or owners.

Data limitations (4)

›ADS-B coverage is incomplete; counts are an observed lower bound, not official totals.

›Some aircraft do not transmit usable ADS-B and are not counted.

›Aircraft types and based estimates are inferred and may be wrong.

›This is not official ATC, FAA, or airport data.

NEARBY AIRPORTS

Weather reference stations

Current flight category at nearby reporting stations.

KHEF Washington Manassas Harry P. Davis Field

14 NM S

MVFR

KDAA Davison Army Air Field

19 NM SE

VFR

KGAI Montgomery County Airpark

19 NM NE

VFR

KDCA Ronald Reagan Washington National Airport

20 NM E

VFR

KCGS College Park Airport

25 NM E

VFR

KNYG Quantico Marine Corps Airfield / Turner Field

28 NM S

UNKNOWN

AIRPORT REMARKS

Operational remarks

›COCKPIT OVER CNTRLN TAXI PROHIBITED AT TWY Y INT WITH TWY Y11. JUDGMENTAL OVERSTEER RQRED.

›PCR VALUE: 1108/R/B/W/T

›LARGE FLOCKS OF BIRDS ON & INVOF ARPT/DEER INVOF ARPT.

›ALL 180 DEG TURNS OUT OF APRON POSITIONS SHALL BE MADE USING MINIMUM POWER.

›LDG FEE. FLIGHT NOTIFICATION SERVICE (ADCUS) AVBL. NOTE: SEE SPECIAL NOTICES --CONTINUOUS POWER FACILITIES.

›TWY E1 RESTRICTED TO ACFT WITH A WINGSPAN LESS THAN 79 FT.

›B747-8 RESTRICTED TO MAXIMUM TAXI SPEED 17 KTS (20 MPH) ON TWY J.

›ALL AIRCRAFT WITH WINGSPAN EXCEEDING 118 FT ARE RESTRICTED FROM USING TAXILANE A BTN A1 & A5.

›ITNRNT ACFT CTC FBO ON 122.95 OR 129.77 FOR SVCS.

›RWY 30 DEPARTURES USE UPPER ANTENNA FOR ATC COMMUNICATIONS.

›PCR VALUE: 1005/R/B/W/U

›PCR VALUE: 1045/R/B/W/T

›PCR VALUE: 1089/R/B/W/T

›LOCATED IN BOTH FAIRFAX COUNTY VA AND LOUDOUN COUNTY VA.

›PILOTS CONDUCTING EFVS OPS; BE AWARE LED ALS IN USE RWY 01C.

›ENGINE RUN-UPS BTW 2200L & 0700L REQUIRE PRIOR APPROVAL FM ARPT OPS.

›ACR PUSH BACKS & PWR FM ALL APRON PSNS REQUIRE CLNC FM MWAA RAMP TWR.

›TAXILANE 'C' ACTIVE; PUSHBACK CLNCS ON NORTH SIDE OF MIDFIELD TERMINAL ARE ONTO TAXILANE 'D' ONLY UNLESS OTHERWISE AUTH.

›DURING PERIODS OF ACFT SATURATION LONG TERM PARKING MAY NOT BE AVAILABLE. SERVICES FOR FUEL AND GO ONLY WILL BE AVAILABLE.

›FLIGHT TRAINING BETWEEN 2200-0700 IS PROHIBITED.

›RUNUP BLX FOR RWY 30 DSGND AS NON-MOVEMENT AREA.

›RWY STATUS LGTS ARE IN OPN.

OFFICIAL LINKS & SOURCES

↗Official METAR on AviationWeather.gov

↗Search NOTAMs (official FAA NOTAM Search)

↗Official airport website

↗Wikipedia

↗KIAD on OurAirports

FREQUENTLY ASKED

Does KIAD have a METAR?

Yes. KIAD has a current METAR observation, decoded into plain English on this page.

Does KIAD have a TAF?

Yes, a TAF is issued for KIAD; the decoded forecast timeline is shown above.

What is the field elevation at KIAD?

KIAD sits at 312 ft MSL, which factors into the density-altitude estimate on this page.

Is this an official preflight weather briefing for KIAD?

No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.