KGAI/GAI METAR Montgomery County Airpark

Gaithersburg, MarylandElevation 539 ftSmall airport

CURRENT STATUS

VFR25 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

-1,111 ft

-1,650 ft vs field

ACTIVE NWS ALERTS

Active weather alerts

Frost AdvisoryMinor · Expected · Likely

26 0641Z 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...Until 9 AM EDT this morning. * 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 expe…

Take steps now to protect tender plants from the cold.

Test MessageUnknown · Unknown · Unknown

26 0914Z to 26 0924Z

Montgomery

Monitoring message only. Please disregard.

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

CURRENT METAR

Decoded observation

Observed 0856Z (4:56 AM local) · 25 min old

KGAI 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

4°C / 4°C

39°F / 39°F. 0°C spread.

ALTIMETER

30.39 inHg

1029.1 hPa, above standard.

WEATHER & HAZARDS

No significant hazards

No precipitation or obscuration reported.

Codes in this report: AUTO 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)

SLP305

sea-level pressure 1030.5 hPa

T00440044

precise temperature 4.4°C, dew point 4.4°C

58010

3-hour pressure tendency: falling quickly (1.0 hPa change)

FAA: no delays reported at GAI.

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

SUGGESTED RISK · TRAINING USE

Suggested risk level: Low

›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 VFR, wind calm, visibility 9 SM, ceiling none. Forecast suggests monday areas of frost then sunny, high near 68F, 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	68/46	W 5 kt	–	0%
Tuesday	Sunny	68/45	N 5 kt	–	0%
Wednesday	Partly Sunny	66/47	SE 4 kt	–	0%
Thursday	Sunny	70/48	S 4 kt	–	0%
Friday	Sunny	75/51	W 4 kt	–	0%
Saturday	Partly Sunny	70/51	NE 4 kt	–	8%
Sunday	Chance Rain Showers	68	SE 5 kt	–	28%

Source: National Weather Service (office LWX). Forecast issued 0855Z.

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

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 4,202 ft

14/32

Dimensions

4,202 x 75 ft

Surface

Asphalt (good)

Edge lights

MED

RWY 14127°T

REILYes

VGSIPAPI (P4L)

Traffic patternLeft

RWY 32307°T

REILYes

VGSIPAPI (P4L)

Traffic patternRight

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

-1,111 ft

Pressure altitude

69 ft

Field elevation

539 ft MSL

Temperature

4°C (39°F)

Dewpoint

4°C (39°F)

Altimeter

30.39 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

2216Z 6:16 PM

Sunrise

1129Z 7:29 AM

Loggable night

2243Z (6:43 PM local) → 1102Z (7:02 AM local)

end of evening to start of morning civil twilight

Position lights required

2216Z (6:16 PM local) → 1129Z (7:29 AM local)

sunset to sunrise (91.209)

Night passenger currency

2316Z (7:16 PM local) → 1029Z (6:29 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

Montgomery County Airpark is in Gaithersburg, Maryland. Field elevation 539 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT

OwnershipPublicly owned

UseOpen to the public

TypeSmall airport

ManagerJUSTIN BOLLUM, C.M.

Manager phone301-978-7009

AttendedOCTOBER-FEBRUARY ALL, 0800–1800

CHARTS & AIRSPACE

ICAO / IATAKGAI / GAI

SectionalWASHINGTON

Center (ARTCC)WASHINGTON

Flight service (AFSS)LEESBURG

RegionMaryland

CountryUnited States

Coordinates39.1683, -77.1660

Distance from city3 NM NE

SERVICES & LIGHTING

Fuel100LL · Jet A

Control towerNon-towered

Field lightingSee remarks

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

CTAF123.075

UNICOM123.075

FREQUENCIES

Communications

128.7

POTOMAC APP/DEP

A/D

128.275

AWOS 3

AWOS

121.6

POTOMAC CLNC DEL

CLD

123.075

CTAF/UNICOM

UNIC

123.075

CTAF

123.075

UNICOM

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

AIRCRAFT ACTIVITY

KGAI 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

46.9

AVG OPS/DAY

62.4

Operations trend (18 days)

Busiest day: Tue · Busiest month: Jun

FLEET MIX

Piston single 82%Unknown 11%Turboprop 3%Jet 2%Twin 2%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES

›C172 (Piston single) · ~646 landings/mo

›P28A (Piston single) · ~297 landings/mo

›UNKN (Unknown) · ~25 landings/mo

›SR22 (Piston single) · ~20 landings/mo

›PC12 (Turboprop) · ~19 landings/mo

LIKELY BASED AIRCRAFT

Low-confidence estimate

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

›C172 (Piston single)

›P28A (Piston single)

›P28R (Unknown)

›S22T (Unknown)

›SR22 (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.

KCGS College Park Airport

16 NM SE

VFR

KFDK Frederick Municipal Airport

18 NM NW

IFR

KIAD Washington Dulles International Airport

19 NM SW

VFR

KFME Fort Meade Executive Airport

20 NM E

VFR

KDCA Ronald Reagan Washington National Airport

20 NM S

VFR

KBWI Baltimore/Washington International Thurgood Marshall Airport

23 NM E

VFR

AIRPORT REMARKS

Operational remarks

›RWY 32 PAPI BAFFLED BYD 5 DEG L OF CRS DUE TO BLDG.

›ACTVT REIL RWY 14 & 32; MIRL RWY 14/32 - CTAF. PAPI RWY 14 & 32 OPR CONSLY.

›FUEL TRUCK AVBL 0800-2000; REQUEST ON 122.85. SELF-SERVE 100LL AVAILABLE WITH CREDIT CARD.

›RWY 32 HAS +15 FT RIDGE PARALLEL TO RWY 155 FT L; +6FT FENCE PARALLEL TO RWY 180 FT R.

›RWY 14, 47 FT TREES, 169 FT R, 195 FT FM THR.

›UNATNDD CHRISTMAS DAY. FOR AFT HRS SVC CALL 301-963-8043.

›EXT. 1011

›PREFERRED CALM WIND RWY 14.

›1000 FT AGL (1539 FT MSL) TURBINE AND JET 1500 FT AGL (2039 FT MSL) HELICOPTERS 800 FT AGL (1339 FT MSL).

›BE ALERT SFRA PROCEDURES IN EFFECT.

›SOUTH RAMP NOT RECOMMENDED FOR AIRCRAFT WITH WINGSPAN GREATER THAN 79 FT OR WEIGHT GREATER THAN 40000 LBS.

›ARPT NOT RECOMMENDED FOR ACFT WITH WINGSPAN IN EXCESS OF 79 FT & GROSS WT IN EXCESS OF 48000 POUNDS.

›RWY 14 HAS 30 FT DOWNSLOPE 75 FT L/R OF CNTRLN AT THR TO 150 FT BOTH SIDES.

›HELICOPTERS REFRAIN FM AIR TAXI OVER PAVED PARKING RAMPS.

›DEER & BIRDS ON & INVOF ARPT.

›FOR CD CTC POTOMAC APCH AT 866-429-5882.

›NOISE ABATEMENT DEP RWY 32; TURN RIGHT TO AT LEAST 340 DEGS; JETS REFRAIN FROM RWY 32 TAKEOFF BTWN 2300-0700.

›THIS AIRPORT HAS BEEN SURVEYED BY THE NATIONAL GEODETIC SURVEY.

OFFICIAL LINKS & SOURCES

↗Official METAR on AviationWeather.gov

↗Search NOTAMs (official FAA NOTAM Search)

↗Official airport website

↗Wikipedia

↗KGAI on OurAirports

FREQUENTLY ASKED

Does KGAI have a METAR?

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

Does KGAI have a TAF?

When KGAI 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 KGAI?

KGAI sits at 539 ft MSL, which factors into the density-altitude estimate on this page.

Is this an official preflight weather briefing for KGAI?

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.