WxDecoder

CYJN/YJN Weather St Jean Airport

St Jean, QuebecElevation 136 ftMedium airport
OFF-FIELD REFERENCE
Nearest report: CYHU · 15 NM NW · 39 min old
Ceiling 24,000 ft, visibility 9 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · CYHU
WIND
200@4
steady
VISIBILITY
9 SM
14.5 km
CEILING
24,000 ft
lowest BKN/OVC

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RUNWAYS & WIND
3 runways
NESW022006241129
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

3 runways · longest 4,000 ft

02/20
Dimensions
2,474 x 100 ft
Surface
Asphalt
RWY 02
RWY 20
06/24
Dimensions
2,765 x 100 ft
Surface
Asphalt
RWY 06
RWY 24
11/29
Dimensions
4,000 x 150 ft
Surface
Asphalt
RWY 11
RWY 29

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
136 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2151Z 5:51 PM
Sunrise
1123Z 7:23 AM
Loggable night
2221Z (6:21 PM local) → 1053Z (6:53 AM local)
end of evening to start of morning civil twilight
Position lights required
2151Z (5:51 PM local) → 1123Z (7:23 AM local)
sunset to sunrise (91.209)
Night passenger currency
2251Z (6:51 PM local) → 1023Z (6:23 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 Jean Airport is in St Jean, Quebec. Field elevation 136 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPublicly owned
UseOpen to the public
TypeMedium airport
CHARTS & AIRSPACE
ICAO / IATACYJN / YJN
Center (ARTCC)MONTREAL
Flight service (AFSS)QUEBEC
RegionQuebec
CountryCanada
Coordinates45.2944, -73.2811
Distance from city0 NM SW
SERVICES & LIGHTING
Control towerTowered
FREQUENCIES

Communications

125.15
MONTREAL APP DEP
A/D
134.15
VFR ADVSY
A/G
118.2
ATF
ATF
121.7
GND
GND
118.2
TWR
TWR

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

CYJN has no on-field report. Nearest reporting station: CYHU (15 NM NW, VFR).

CYHU Montréal / Saint-Hubert Metropolitan Airport
15 NM NW
VFR
CYUL Montreal / Pierre Elliott Trudeau International Airport
22 NM NW
VFR
CYMX Montreal Mirabel International Airport
39 NM NW
VFR
KPBG Plattsburgh International Airport
39 NM S
VFR
KBTV Patrick Leahy Burlington International Airport
50 NM S
VFR
KEFK Northeast Kingdom International Airport
51 NM SE
VFR
OFFICIAL LINKS & SOURCES
↗Official METAR on AviationWeather.gov
↗Wikipedia
↗CYJN on OurAirports
FREQUENTLY ASKED
Does CYJN have a METAR?
No on-field METAR is issued for CYJN. This page uses the nearest reporting station as a reference.
Does CYJN have a TAF?
No TAF is issued directly for CYJN. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at CYJN?
CYJN sits at 136 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for CYJN?
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.