WxDecoder

MD46 Weather Glenair Airport

Dayton, MarylandElevation 590 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KGAI · 10 NM SW · 38 min old
No ceiling, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KGAI
WIND
Calm
no steady wind
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
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.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports wind calm, visibility 10 SM. Treat this as supplemental, not an aviation observation. Forecast suggests tonight clear, low near 37F, 0% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Tonight Clear 37 NW 1 kt – 0%
Monday Patchy Frost then Sunny 68/47 NW 5 kt – 1%
Tuesday Sunny 67/45 N 5 kt – 0%
Wednesday Partly Sunny 65/48 E 5 kt – 0%
Thursday Mostly Sunny 70/50 S 5 kt – 0%
Friday Sunny 75/51 W 4 kt – 0%
Saturday Mostly Sunny 71/54 E 4 kt – 4%
Sunday Mostly Cloudy then Chance Rain Showers 69 S 6 kt – 31%

Source: National Weather Service (office LWX). Forecast issued 2334Z.

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
Crosswind calculator
No runway layout is available for MD46. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 2,200 ft

10/28
Dimensions
2,200 x 50 ft
Surface
Turf
Edge lights
MED
RWY 10
Traffic patternRight
RWY 28
Traffic patternLeft

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

FIELD CONDITIONS

Field elevation

Field elevation
590 ft MSL

Density and pressure altitude need a current temperature and altimeter from the METAR.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2215Z 6:15 PM
Sunrise
1129Z 7:29 AM
Loggable night
2243Z (6:43 PM local) → 1101Z (7:01 AM local)
end of evening to start of morning civil twilight
Position lights required
2215Z (6:15 PM local) → 1129Z (7:29 AM local)
sunset to sunrise (91.209)
Night passenger currency
2315Z (7:15 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

Glenair Airport is in Dayton, Maryland. Field elevation 590 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
ManagerDIANA ATWELL
Manager phone(443) 295-3339
AttendedIREG
CHARTS & AIRSPACE
ICAO / IATAMD46
SectionalWASHINGTON
Center (ARTCC)WASHINGTON
Flight service (AFSS)LEESBURG
RegionMaryland
CountryUnited States
Coordinates39.2696, -77.0053
Distance from city2 NM NW
SERVICES & LIGHTING
Control towerNon-towered
Field lightingSee remarks
AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

MD46 has no on-field report. Nearest reporting station: KGAI (10 NM SW, VFR).

KGAI Montgomery County Airpark
10 NM SW
VFR
KFME Fort Meade Executive Airport
16 NM SE
VFR
KBWI Baltimore/Washington International Thurgood Marshall Airport
17 NM E
VFR
KCGS College Park Airport
18 NM S
VFR
KFDK Frederick Municipal Airport
19 NM NW
VFR
KDCA Ronald Reagan Washington National Airport
25 NM S
VFR
AIRPORT REMARKS

Operational remarks

›ADIZ FLIGHT PLAN REQUIRED FOR INGRESS/ EGRESS
›OPERATIONS FOR 12 MONTHS ENDING SEP 2006 GA LOCAL
›DIANA ATWEL, PRESIDENT 301-512-8869
›LIGHTED VGSI PANEL
›FOR RY LGTS CALL 301-512-8869.
›FOR CD CTC POTOMAC APCH AT 866-429-5882.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗Wikipedia
↗MD46 on OurAirports
FREQUENTLY ASKED
Does MD46 have a METAR?
No on-field METAR is issued for MD46. This page uses the nearest reporting station as a reference.
Does MD46 have a TAF?
No TAF is issued directly for MD46. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at MD46?
MD46 sits at 590 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for MD46?
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.