Montgomery County Airpark (KGAI) Aviation Weather, METAR, TAF & ATIS Alerts
Live aviation weather for Montgomery County Airpark in Gaithersburg, MD, including METAR, TAF, flight category, wind, visibility, ceiling, altimeter, runway crosswinds, and Telegram airport alerts.
Montgomery County Airpark (KGAI) is a general aviation airport serving pilots in and around Gaithersburg, MD at 539 ft. KGAI reports its own METAR, decoded live on this page as flight category, wind, visibility, ceiling and altimeter. Its 2 runways (14, 32), longest 4,202 ft, are checked against the current wind in the crosswind table below. Automated weather is broadcast on 128.275. Track KGAI 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 22°C (72°F), altimeter 29.98 inHg. Conditions are Instrument Flight Rules (IFR), ceiling 800 ft.
METAR KGAI 130656Z AUTO 00000KT 10SM OVC008 22/22 A2998 RMK AO2 SLP160 T02220222
What changed at KGAI?
Since the 0556Z (1:56 AM EDT) report, compared automatically against the latest METAR.
- Flight category dropped from MVFR to IFR.
- Ceiling dropped from 1,000 ft to 800 ft.
- Pressure falling: altimeter 30.00 → 29.98 inHg.
This is exactly what ATIS Alerts watches for you: get a Telegram message when KGAI's weather changes, free →
Current pilot readout for KGAI
KGAI is currently IFR with calm winds, visibility 10+ statute miles, and a 800 ft ceiling. Density altitude is approximately 1,450 ft (field elevation 539 ft). KGAI does not publish a TAF. The nearest TAF station is KIAD, about 19 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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Stop refreshing aviation weather manually. Track KGAI in ATIS Alerts and get notified when a new METAR changes the picture: a category drop, or wind and ceiling moving toward your minimums.
Track KGAI free on TelegramStaying over at KGAI
For pilots and crews overnighting at Montgomery County Airpark (KGAI).
Nearby Pilot Hotel Deals
Well-reviewed places under $500 a night near KGAI (GAI); drag to explore or tap a pin for the rate.
Crew Rental Car Deals
Ask the FBO about a crew car first: many hand you keys for a couple of hours at no charge. For an overnight or a one-way, compare rental desks around Gaithersburg on one page.
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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 KGAI. 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 |
|---|---|---|---|---|
| 14 | 4,202 ft | ASP | - | - |
| 32 | 4,202 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.
KGAI weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Montgomery County Airpark in Gaithersburg, MD: 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 KGAI 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 KGAI
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 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.⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.
Recent aviation weather trends at KGAI
From ATIS Alerts' hourly weather history.
Over the past 24 hours, KGAI reported a mix of conditions, most often marginal VFR across 33 observations, with 10 flight-category changes. The lowest ceiling was 800 ft. Wind most often came from the SE.
Most recent change: MVFR → IFR
Most recent change: MVFR → IFR
- 32
- 56%
- 14
- 44%
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Nearby TFRs
Active FAA TFRs near KGAI
FAA TFR data shows an active temporary flight restriction near KGAI.
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
- General aviation airport
- ICAO
- KGAI
- IATA
- GAI
- FAA LID
- GAI
- City
- Gaithersburg
- State
- Maryland
- Country
- United States
- Elevation
- 539 ft
- Coordinates
- 39.1683, -77.1660
- Runways
- 2
- Longest runway
- 4,202 ft
- Weather reporting
- Reports METAR
- TAF
- Nearest KIAD
- AWOS/ASOS
- 128.275 MHz
- Time zone
- America/New_York
- Next sunset
- 15h 46m
Run a flight school, FBO, or club here? Embed KGAI'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
9 airports+3 more within 50 NM
50–100 NM
7 airports+1 more within 100 NM
RC flying fields nearby
AMA model-aircraft club fields around this airport: live wind, crosswind & flyability on each page.
- Capital Area Soaring Assn - Oaks Landfill , Laytonsville, MD · 3 mi
- DCRC Club - Walt Good Field , Boyds, MD · 9 mi
- Capitol Area Soaring Assn - Capitol Polo Club , Poolesville, MD · 14 mi
Historical Flying Weather at KGAI
2006–2025 · ATIS Alerts Flying Weather Index
Based on historical observations from 2006–2025, KGAI reported VFR conditions during about 82.2% of valid daylight observations, with an estimated 281 VFR flying days a year. July had the most VFR weather; December had the most instrument conditions. Surface winds averaged 4.3 kt, calm 31.5% of the time.
Full historical breakdown
Flight category by month
| Month | VFR % | MVFR % | IFR % | LIFR % |
|---|---|---|---|---|
| Jan | 81.8 | 7.0 | 5.9 | 5.3 |
| Feb | 81.7 | 6.6 | 6.1 | 5.6 |
| Mar | 81.2 | 8.1 | 6.1 | 4.5 |
| Apr | 82.7 | 8.2 | 6.1 | 3.0 |
| May | 77.2 | 10.8 | 7.8 | 4.2 |
| Jun | 84.0 | 8.8 | 5.0 | 2.2 |
| Jul | 87.0 | 8.2 | 3.7 | 1.2 |
| Aug | 84.0 | 9.8 | 4.4 | 1.7 |
| Sep | 78.5 | 11.9 | 6.6 | 3.1 |
| Oct | 78.0 | 11.9 | 7.1 | 3.0 |
| Nov | 85.0 | 7.5 | 3.8 | 3.7 |
| Dec | 77.0 | 9.4 | 6.1 | 7.5 |
Average wind by month
| Month | Mean wind (kt) |
|---|---|
| Jan | 5.5 kt |
| Feb | 5.6 kt |
| Mar | 5.9 kt |
| Apr | 5.5 kt |
| May | 4.0 kt |
| Jun | 3.7 kt |
| Jul | 3.0 kt |
| Aug | 2.8 kt |
| Sep | 2.8 kt |
| Oct | 3.7 kt |
| Nov | 4.7 kt |
| Dec | 4.8 kt |
Historical summary of past observations: not a forecast or safety rating. Always check the current METAR, TAF, and a weather briefing before flight.
KGAI weather: frequently asked
What runways are available at KGAI?+
KGAI has 2 runways: 14, 32; the longest is 4,202 ft. This page computes the live crosswind for each runway end from the current wind.
Does KGAI report its own weather?+
Yes. Montgomery County Airpark has its own weather station and publishes METAR observations, which this page decodes live.
Does KGAI have a TAF?+
No. KGAI does not publish its own TAF. The nearest TAF station is KIAD, about 19 nm away.
Does KGAI broadcast D-ATIS?+
No. KGAI does not broadcast D-ATIS. Alerts for KGAI from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR instead.
Pilot PIREPs for Montgomery County Airpark (KGAI)
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 Montgomery County Airpark, 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 KGAI 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.
Why pilots use ATIS Alerts
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- Get pinged the moment KGAI drops below VFR or a new report moves your numbers.
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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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