WxDecoder

KOYM/STQ METAR St Marys Municipal Airport

St Marys, PennsylvaniaElevation 1,934 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KDUJ · 23 NM SW · 37 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 · KDUJ
WIND
070@5
steady
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
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 from 350° at 3 kt, visibility 10 SM, temperature -2C. Treat this as supplemental, not an aviation observation. Forecast suggests today widespread frost then sunny, high near 63F, 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 Widespread Frost then Sunny 63/35 S 3 kt – 1%
Monday Patchy Frost then Sunny 66/36 W 6 kt – 1%
Tuesday Patchy Frost then Sunny 62/34 NE 3 kt – 0%
Wednesday Widespread Frost then Mostly Cloudy 63/40 SE 6 kt – 0%
Thursday Mostly Sunny 68/45 SW 8 kt – 5%
Friday Mostly Sunny 68/43 W 5 kt – 2%
Saturday Partly Sunny 69/48 SE 5 kt – 14%

Source: National Weather Service (office CTP). Forecast issued 1230Z.

Radar

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

OUR HEADSET PICK · NOT SPONSORED

DC

David Clark DC ONE-X

Not sponsored, just the headset we'd buy ourselves: the DC ONE-X, with hybrid noise canceling, Bluetooth, and 30+ hour battery. And David Clark's A+ customer service is the real reason we recommend them.

Visit David Clark
RUNWAYS & WIND
1 runway
NESW1028
WIND
No on-field weather data
No reporting weather station on the field, so wind components cannot be computed. See nearby stations below.
RUNWAYS

Runway detail & declared distances

1 runway · longest 4,300 ft

10/28
Dimensions
4,300 x 75 ft
Surface
Asphalt (good)
Edge lights
MED
RWY 1090°T
VGSIPAPI (P4L)
Traffic patternLeft
RWY 28270°T
ILSLOC/DME
Approach lightsMALS
VGSIPAPI (P4L)
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
1,934 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2218Z 6:18 PM
Sunrise
1138Z 7:38 AM
Loggable night
2246Z (6:46 PM local) → 1109Z (7:09 AM local)
end of evening to start of morning civil twilight
Position lights required
2218Z (6:18 PM local) → 1138Z (7:38 AM local)
sunset to sunrise (91.209)
Night passenger currency
2318Z (7:18 PM local) → 1038Z (6:38 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

St Marys Municipal Airport is in St Marys, Pennsylvania. Field elevation 1,934 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPublicly owned
UseOpen to the public
TypeSmall airport
ManagerVINCE CAGGIANO
Manager phone814-834-4671
AttendedALL MON-FRI, 0800–1600
CHARTS & AIRSPACE
ICAO / IATAKOYM / STQ
SectionalDETROIT
Center (ARTCC)CLEVELAND
Flight service (AFSS)ALTOONA
RegionPennsylvania
CountryUnited States
Coordinates41.4125, -78.5026
Distance from city3 NM SE
SERVICES & LIGHTING
Fuel100LL · Jet A
Control towerNon-towered
Field lightingSee remarks
BeaconSunset to sunrise · White-green (lighted land airport)
CTAF122.700
UNICOM122.700
FREQUENCIES

Communications

118.05
AWOS 3
AWOS
121.3
ALTOONA RDO CLNC DEL
CLD
124.325
CLEVELAND CNTR
CNTR
122.7
CTAF/UNICOM
UNIC
122.700
CTAF
CTAF
122.700
UNICOM
UNICOM

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

AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

KOYM has no on-field report. Nearest reporting station: KDUJ (23 NM SW, VFR).

KDUJ DuBois Regional Airport
23 NM SW
VFR
KBFD Bradford Regional Airport
24 NM N
VFR
KUNV State College Regional Airport
45 NM SE
VFR
KELZ Wellsville Municipal Airport - Tarantine Field
48 NM NE
VFR
KOLE Cattaraugus County-Olean Airport
50 NM N
VFR
KIDI Indiana County–Jimmy Stewart Airport
54 NM SW
VFR
AIRPORT REMARKS

Operational remarks

›COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -36C.
›PAPI UNUSBL BYD 5 DEGS RIGHT OF CNTRLN.
›ACTVT MALS RWY 28; PAPI RWYS 10 & 28; MIRL RWY 10/28 - CTAF.
›PAPI UNUSBL BYD 8 DEGS RIGHT OF CNTRLN.
›+13 FT FENCE N OF RY FM 0-176 FT, 219 FT LEFT. +23 FT PUBLIC ROAD, 222 FT RIGHT. PUBLIC ROAD OBSTN MKD BY LIGHTED POLES.
›FOR CD CTC CLEVELAND ARTCC AT 440-774-0234.
›+7 FT FENCE 200 FT N OF RY 0-200 FT. +15 FT PUBLIC ROAD 0-200 FT & 225 FT L. PUBLIC ROAD OBSTN MKD BY LIGHTED POLES.
OFFICIAL LINKS & SOURCES
↗Official METAR on AviationWeather.gov
↗Search NOTAMs (official FAA NOTAM Search)
↗Official airport website
↗Wikipedia
↗KOYM on OurAirports
FREQUENTLY ASKED
Does KOYM have a METAR?
Yes. KOYM is a METAR-reporting station; the current observation loads live on this page.
Does KOYM have a TAF?
When KOYM 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 KOYM?
KOYM sits at 1,934 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for KOYM?
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.