WxDecoder

K0W3 METAR Harford County Airport

Churchville, MarylandElevation 409 ftSmall airport
CURRENT STATUS
MVFR14 min old
No ceiling, visibility 5 SM, mist.
FLIGHT CATEGORY
MVFR
ceiling & visibility
WIND
Calm
no steady wind
VISIBILITY
5 SM
8 km
CEILING
None
no BKN/OVC layer
DENSITY ALT
-1,560 ft
-1,969 ft vs field
ACTIVE NWS ALERTS

Active weather alerts

Frost AdvisoryMinor · Expected · Likely
25 0650Z to 25 1300Z
Cecil; Northwest Montgomery; Central and Southeast Montgomery; Northwest Howard; Central and Southeast Howard; Southeast Harford; Madison; Rappahannock; Orange; Fairfax; Stafford; Spotsylvania; 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, northeast, and northern Maryland and central, northern, and northwest Virginia. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
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 1035Z (6:35 AM local) · 14 min old

K0W3 is currently MVFR. Winds are calm. Visibility is 5 statute miles. There is no ceiling. Reported weather: mist. The main issue is mist reported.

WIND
Calm
No steady wind.
VISIBILITY
5 statute miles
8 km, reduced (MVFR).
CEILING & SKY
CLR
FEW and SCT layers are not ceilings.
TEMP / DEWPOINT
3°C / 3°C
37°F / 37°F. 0°C spread.
ALTIMETER
30.56 inHg
1034.9 hPa, above standard.
WEATHER & HAZARDS
BR, LOW VIS
Mist reported.

Codes in this report: AUTO BR 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)
T00270027
precise temperature 2.7°C, dew point 2.7°C
SUGGESTED RISK · TRAINING USE

Suggested risk level: Moderate

›Conditions are MVFR.
›Mist reported.
›No TAF available for this airport.

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 MVFR, wind calm, visibility 5 SM, ceiling none. Forecast suggests today areas of frost then sunny, high near 64F, low near 35F, 1% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Today Areas Of Frost then Sunny 64/35 SW 2 kt – 1%
Monday Patchy Frost then Sunny 68/47 NW 5 kt – 1%
Tuesday Sunny 65/42 N 7 kt – 0%
Wednesday Mostly Sunny 63/46 E 4 kt – 0%
Thursday Mostly Sunny 67/49 S 6 kt – 0%
Friday Sunny 72/50 NW 3 kt – 0%
Saturday Mostly Sunny 69/52 E 5 kt – 7%

Source: National Weather Service (office LWX). Forecast issued 1048Z.

Radar

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

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RUNWAYS & WIND
1 runway · crosswind ranking
NESW0119CALMCALMCALMCALMCALM
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

1 runway · longest 3,354 ft

01/19
Dimensions
3,354 x 75 ft
Surface
Asphalt (good)
Edge lights
MED
RWY 01358°T
Displaced threshold251 ft
REILYes
VGSIPAPI (P2L)
Traffic patternLeft
RWY 19178°T
REILYes
VGSIPAPI (P2L)
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
-1,560 ft
Pressure altitude
-231 ft
Field elevation
409 ft MSL
Temperature
3°C (37°F)
Dewpoint
3°C (37°F)
Altimeter
30.56 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
2213Z 6:13 PM
Sunrise
1125Z 7:25 AM
Loggable night
2240Z (6:40 PM local) → 1057Z (6:57 AM local)
end of evening to start of morning civil twilight
Position lights required
2213Z (6:13 PM local) → 1125Z (7:25 AM local)
sunset to sunrise (91.209)
Night passenger currency
2313Z (7:13 PM local) → 1025Z (6:25 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

Harford County Airport is in Churchville, Maryland. Field elevation 409 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UseOpen to the public
TypeSmall airport
ManagerKEVIN HESS
Manager phone410-836-2828
AttendedDaily, 1300Z++–DUSK
CHARTS & AIRSPACE
ICAO / IATAK0W3
SectionalWASHINGTON
Center (ARTCC)NEW YORK
Flight service (AFSS)LEESBURG
RegionMaryland
CountryUnited States
Coordinates39.5668, -76.2024
Distance from city3 NM E
SERVICES & LIGHTING
Fuel100LL · Jet A
Control towerNon-towered
Field lightingSee remarks
BeaconSee remarks · White-green (lighted land airport)
CTAF122.800
UNICOM122.800
FREQUENCIES

Communications

126.75
POTOMAC APP/DEP
A/D
132.725
AWOS
AWOS
122.8
CTAF/UNICOM
UNIC
122.800
CTAF
CTAF
122.800
UNICOM
UNICOM

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

AIRCRAFT ACTIVITY

K0W3 traffic patterns

2026-06-13 to 2026-10-23, 59 days observed · data 2026-10-23

High confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
23.4
AVG OPS/DAY
37.1
Activity trend over 15 days: rising, from 23 to 29 operations per dayOperations trend (15 days)

Busiest day: Tue · Busiest month: Oct

FLEET MIX
Piston single 81%Unknown 7%Helicopter 6%Twin 3%Turboprop 2%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›C172 (Piston single) · ~132 landings/mo
›SR20 (Piston single) · ~7 landings/mo
›C182 (Piston single) · ~6 landings/mo
›PA34 (Twin) · ~6 landings/mo
›P208 (Unknown) · ~5 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly single-engine piston aircraft.

›C172 (Piston single)
›P208 (Unknown)
›SR20 (Piston single)
›C182 (Piston single)
›P28A (Piston single)

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.

KAPG Phillips Army Air Field
6 NM S
VFR
KMTN Martin State Airport
17 NM SW
VFR
KILG Wilmington Airport
28 NM E
VFR
KMQS Chester County G O Carlson Airport
29 NM NE
IFR
KBWI Baltimore/Washington International Thurgood Marshall Airport
32 NM SW
VFR
KLNS Lancaster Airport
34 NM N
VFR
AIRPORT REMARKS

Operational remarks

›DUSK-0100.
›EXISTED PRIOR TO 1959.
›FOR CD CTC POTOMAC APCH AT 866-429-5882.
›CAUTION PAJA AND GLDR OPS ON ARPT.
›ACTVT REIL RWY 01 & 19; PAPI RWY 01 & 19; MIRL RWY 01/19 - CTAF.
›BIRDS AND WILDLIFE ON & INVOF ARPT.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗Wikipedia
↗K0W3 on OurAirports
FREQUENTLY ASKED
Does K0W3 have a METAR?
Yes. K0W3 has a current METAR observation, decoded into plain English on this page.
Does K0W3 have a TAF?
When K0W3 issues a TAF, its decoded forecast timeline loads live on this page; otherwise use the nearest TAF-issuing field as a planning reference.
What is the field elevation at K0W3?
K0W3 sits at 409 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for K0W3?
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.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.