Washington Manassas Harry P. Davis Field (KHEF) Aviation Weather, METAR, TAF & ATIS Alerts
Live aviation weather for Washington Manassas Harry P. Davis Field in Manassas, VA, including METAR, TAF, flight category, wind, visibility, ceiling, altimeter, runway crosswinds, and Telegram airport alerts.
Washington Manassas Harry P. Davis Field (KHEF) is a regional airport serving Manassas, VA at 192 ft. KHEF reports its own METAR, decoded live on this page as flight category, wind, visibility, ceiling and altimeter. Its 4 runways (16L, 16R, 34L, 34R), longest 6,200 ft, are checked against the current wind in the crosswind table below. The official FAA airport diagram is at the bottom of the page. Track KHEF in the ATIS Alerts Telegram bot to get a message when a new METAR changes the picture: flight category, wind, or ceiling past your selected minimums.
Wind calm, visibility 10+ statute miles, overcast at 800 ft, temperature 23°C (73°F), altimeter 29.98 inHg. Conditions are Instrument Flight Rules (IFR), ceiling 800 ft.
SPECI KHEF 130518Z AUTO 00000KT 10SM OVC008 23/22 A2998 RMK AO2 $
What changed at KHEF?
Since the 0500Z (1:00 AM EDT) report, compared automatically against the latest METAR.
- Flight category dropped from MVFR to IFR.
- Ceiling dropped from 1,200 ft to 800 ft.
The latest report is an off-schedule special (SPECI), issued because conditions changed significantly. What is a SPECI? →
This is exactly what ATIS Alerts watches for you: get a Telegram message when KHEF's weather changes, free →
Current pilot readout for KHEF
KHEF is currently IFR with calm winds, visibility 10+ statute miles, and a 800 ft ceiling. Density altitude is approximately 1,100 ft (field elevation 192 ft). KHEF does not publish a TAF. The nearest TAF station is KIAD, about 14 nm away.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →
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For pilots and crews overnighting at Washington Manassas Harry P. Davis Field (KHEF).
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Runway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
Use this section to quickly compare current wind alignment across available runways at KHEF. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
Current wind is calm: calm wind is not a factor for runway selection, and with no wind there is no head/tail or crosswind component to compute. Live numbers return automatically once a report includes a wind direction.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 16L | 6,200 ft | ASP | - | - |
| 16R | 3,715 ft | ASP | - | - |
| 34L | 3,715 ft | ASP | - | - |
| 34R | 6,200 ft | ASP | - | - |
Open the crosswind calculator to try your own wind and runway numbers →
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 23 h: wind 0→0 kt, ceiling unlimited → 800 ft.
KHEF weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Washington Manassas Harry P. Davis Field in Manassas, VA: the NOAA/NWS NEXRAD composite updates about every five minutes, with NOAA lightning strike density overlaid. The loop plays the past 50 minutes, then continues into a future-radar forecast (+1 to +4 hours, NOAA HRRR model) so you can see where precipitation around KHEF is headed.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap
Forecast frames (amber label) are HRRR model guidance, not observed radar. Lightning strike density appears as a blue-white glow when strikes are detected in view. Radar and lightning coverage are limited in parts of Alaska, Hawaii, and offshore areas. Not for navigation.
Pilot reports (PIREPs) within 100 NM of KHEF
Reported by pilots in flight over the past 6 hours, via aviationweather.gov.
Show raw report
RIC UA /OV RIC340002/TM 0510/FL005/TP CRJ7
RIC UAHeader: reporting station and UA: a routine pilot report.OV RIC340002Location: fix or navaid, optionally with a radial and distance in NM.TM 0510Reported at 05:10 UTC.FL005Altitude: 500 ft MSL.TP CRJ7Aircraft type reporting.Show raw report
BWI UA /OV BAL330006/TM 0415/FL012/TP C25A/SK BASES OVC015
BWI UAHeader: reporting station and UA: a routine pilot report.OV BAL330006Location: fix or navaid, optionally with a radial and distance in NM.TM 0415Reported at 04:15 UTC.FL012Altitude: 1,200 ft MSL.TP C25AAircraft type reporting.SK BASES OVC015Sky condition: cloud bases and tops in hundreds of feet MSL.Show raw report
MDT UA /OV THV/TM 0306/FL025/TP C340/SK BKN025
MDT UAHeader: reporting station and UA: a routine pilot report.OV THVLocation: fix or navaid, optionally with a radial and distance in NM.TM 0306Reported at 03:06 UTC.FL025Altitude: 2,500 ft MSL.TP C340Aircraft type reporting.SK BKN025Sky condition: cloud bases and tops in hundreds of feet MSL.Show raw report
MDT UA /OV CXY/TM 0255/FL026/TP HELO/SK BKN026
MDT UAHeader: reporting station and UA: a routine pilot report.OV CXYLocation: fix or navaid, optionally with a radial and distance in NM.TM 0255Reported at 02:55 UTC.FL026Altitude: 2,600 ft MSL.TP HELOAircraft type reporting.SK BKN026Sky condition: cloud bases and tops in hundreds of feet MSL.Show raw report
BWI UA /OV BAL330006/TM 0238/FLDURD/TP BCS3/SK BKN022
BWI UAHeader: reporting station and UA: a routine pilot report.OV BAL330006Location: fix or navaid, optionally with a radial and distance in NM.TM 0238Reported at 02:38 UTC.FLDURDReported during descent.TP BCS3Aircraft type reporting.SK BKN022Sky condition: cloud bases and tops in hundreds of feet MSL.Show raw report
RIC UA /OV RIC160003/TM 0220/FL009/TP E145
RIC UAHeader: reporting station and UA: a routine pilot report.OV RIC160003Location: fix or navaid, optionally with a radial and distance in NM.TM 0220Reported at 02:20 UTC.FL009Altitude: 900 ft MSL.TP E145Aircraft type reporting.Show raw report
RIC UA /OV RIC/TM 0155/FL010/TP A319/RM BASES 006
RIC UAHeader: reporting station and UA: a routine pilot report.OV RICLocation: fix or navaid, optionally with a radial and distance in NM.TM 0155Reported at 01:55 UTC.FL010Altitude: 1,000 ft MSL.TP A319Aircraft type reporting.RM BASES 006Remarks.Show raw report
MRB UA /OV MRB240025/TM 0134/FL150/TP E75L/TB CONS LGT
MRB UAHeader: reporting station and UA: a routine pilot report.OV MRB240025Location: fix or navaid, optionally with a radial and distance in NM.TM 0134Reported at 01:34 UTC.FL150Altitude: 15,000 ft MSL.TP E75LAircraft type reporting.TB CONS LGTTurbulence: continuous light.⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.
Recent aviation weather trends at KHEF
From ATIS Alerts' hourly weather history.
Over the past 24 hours, KHEF reported a mix of conditions, most often marginal VFR across 39 observations, with 14 flight-category changes. The lowest ceiling was 800 ft. Wind most often came from the SE.
Most recent change: MVFR → IFR
Most recent change: IFR → MVFR
- 34L/34R
- 54%
- 16L/16R
- 46%
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Nearby TFRs
Active FAA TFRs near KHEF
FAA TFR data shows active temporary flight restrictions near KHEF.
View all active US TFRs → · Official FAA TFR ↗
Verify with official FAA TFR sources before flight.
Airport facts
Reference data from the OurAirports dataset.
- Type
- Regional airport
- ICAO
- KHEF
- IATA
- MNZ
- FAA LID
- HEF
- City
- Manassas
- State
- Virginia
- Country
- United States
- Elevation
- 192 ft
- Coordinates
- 38.7230, -77.5154
- Runways
- 4
- Longest runway
- 6,200 ft
- Weather reporting
- Reports METAR
- TAF
- Nearest KIAD
- ATIS
- 125.175 MHz
- AWOS/ASOS
- 120.35 MHz
- CTAF
- 133.1 MHz
- Time zone
- America/New_York
- Next sunset
- 17h 32m
Run a flight school, FBO, or club here? Embed KHEF's live status on your website, free →
Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
8 airports+2 more within 25 NM
25–50 NM
8 airports+2 more within 50 NM
50–100 NM
8 airports+2 more within 100 NM
RC flying fields nearby
AMA model-aircraft club fields around this airport: live wind, crosswind & flyability on each page.
- Poplar Ford Field , Centreville, VA · 8 mi
- Lorton Burnett Field Furnace Rd , Lorton, VA · 14 mi
- Flying Circus Aerodrome , BEALTON, VA · 16 mi
Historical Flying Weather at KHEF
2006–2025 · ATIS Alerts Flying Weather Index
Based on historical observations from 2006–2025, KHEF reported VFR conditions during about 83.9% of valid daylight observations, with an estimated 271 VFR flying days a year. July had the most VFR weather; September had the most instrument conditions. Surface winds averaged 4.9 kt, calm 32.3% of the time.
Full historical breakdown
Flight category by month
| Month | VFR % | MVFR % | IFR % | LIFR % |
|---|---|---|---|---|
| Jan | 83.5 | 6.6 | 5.4 | 4.5 |
| Feb | 83.2 | 6.4 | 6.9 | 3.6 |
| Mar | 83.3 | 8.3 | 6.1 | 2.4 |
| Apr | 85.0 | 8.7 | 5.0 | 1.3 |
| May | 79.6 | 11.3 | 6.7 | 2.5 |
| Jun | 84.9 | 8.7 | 4.6 | 1.8 |
| Jul | 87.0 | 8.6 | 2.7 | 1.6 |
| Aug | 84.5 | 9.9 | 3.6 | 2.0 |
| Sep | 78.9 | 12.3 | 5.9 | 2.9 |
| Oct | 79.3 | 11.2 | 6.2 | 3.3 |
| Nov | 85.4 | 7.8 | 3.8 | 3.1 |
| Dec | 79.2 | 8.3 | 6.8 | 5.7 |
Average wind by month
| Month | Mean wind (kt) |
|---|---|
| Jan | 5.6 kt |
| Feb | 6.0 kt |
| Mar | 6.6 kt |
| Apr | 6.0 kt |
| May | 4.8 kt |
| Jun | 4.4 kt |
| Jul | 3.8 kt |
| Aug | 3.7 kt |
| Sep | 4.0 kt |
| Oct | 4.5 kt |
| Nov | 4.8 kt |
| Dec | 4.7 kt |
Historical summary of past observations: not a forecast or safety rating. Always check the current METAR, TAF, and a weather briefing before flight.
KHEF airport diagram
Official FAA taxiway and runway layout. Tap to zoom.
The FAA airport diagram for Washington Manassas Harry P. Davis Field in Manassas, VA shows the runway and taxiway layout across 4 runways, ramp areas, and hold-short positions. Review it before taxiing at an unfamiliar field.
Official FAA airport diagram · d-TPP cycle 2610 · Not for navigation. Download the official FAA PDF ↗
KHEF weather: frequently asked
What runways are available at KHEF?+
KHEF has 4 runways: 16L, 16R, 34L, 34R; the longest is 6,200 ft. This page computes the live crosswind for each runway end from the current wind.
Does KHEF report its own weather?+
Yes. Washington Manassas Harry P. Davis Field has its own weather station and publishes METAR observations, which this page decodes live.
Does KHEF have a TAF?+
No. KHEF does not publish its own TAF. The nearest TAF station is KIAD, about 14 nm away.
Does KHEF broadcast D-ATIS?+
No. KHEF does not broadcast D-ATIS. Alerts for KHEF from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR instead.
Where can I find the KHEF airport diagram?+
The official FAA airport diagram for Washington Manassas Harry P. Davis Field (KHEF) is shown on this page. It maps the runway and taxiway layout, ramps, and hold-short lines. Tap it to zoom, or download the official FAA PDF free from the link under the diagram (updated every 28-day FAA charting cycle).
Pilot PIREPs for Washington Manassas Harry P. Davis Field (KHEF)
Community-submittedCommunity-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.
Read recent community-submitted pilot notes for Washington Manassas Harry P. Davis Field, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.
⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.
No Pilot PIREPs have been submitted for KHEF yet. Recently flew here? Help the next pilot by leaving a quick airport note.
Pilot PIREPs are community pilot notes for situational awareness only, not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.
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⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
No D-ATIS at this airport, showing METAR.
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