St Jean Airport

CYJN / YJN

St Jean, CA

Last Updated
Jun 10, 09:00Z

No METAR Available for CYJN

Showing weather from nearby airport with METAR data.

Currently using: CYHU
Weather Source: Montréal / Saint-Hubert Metropolitan Airport (CYHU)
Distance: 15nm / 27km from CYJN

Current Weather

Display Units
Recent 47 min ago
09:00Z

☀️ Day
VFR
Flight Rules
16°C
Temperature
Dewpoint: 15°C
3 kt
140°
9 SM
Visibility
Ceiling
Unlimited
1011 hPa
QNH
Altimeter Setting

Raw METAR

METAR CYHU 100900Z AUTO 14003KT 9SM CLR 16/15 A2985 RMK SLP111 DENSITY ALT 400FT

Weather Briefing

VFR

St Jean Airport is currently reporting visual flight rules (VFR) conditions with clear skies and 9 SM visibility.

Wind Analysis

Winds are from the southeast (140°) at 3 knots.

Visibility & Ceiling

Visibility is 9 SM. Skies are clear with unlimited ceiling.

Temperature & Moisture

Temperature is 16°C (61°F) with a dewpoint of 15°C. The temperature-dewpoint spread is very narrow, indicating saturated or near-saturated air. Fog formation or low cloud development is likely.

Forecast Outlook

The TAF forecast covers the next 24 hours. The forecast shows a transition between VFR and IFR conditions. Pilots should monitor the forecast closely and have an alternate airport plan. Expected weather includes: Light Showers Rain, Light Showers Rain, Mist, Thunderstorm Rain, Mist, Light Showers Rain, Mist, FCST, FCST. There is a 30% probability of IFR conditions with Thunderstorm Rain, Mist between 22:00Z and 03:00Z.

Pilot Recommendations

Conditions are favorable for visual flight. The narrow temperature-dewpoint spread creates risk of fog formation, particularly during evening and early morning hours. The forecast indicates conditions may deteriorate. Ensure you have fuel reserves and a viable alternate airport.

This briefing is generated from real-time METAR and TAF data. Always verify with official sources before flight.

QNH
1011 hPa
Sea Level Pressure
For altitude above MSL
QFE
1006 hPa
Field Pressure
Height above aerodrome (136 ft)
Pressure Alt
204 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: 357 ft
ISA Deviation: +1.3°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF CYHU 100544Z 1006/1106 VRB03KT P6SM SKC FM100700 VRB03KT P6SM SCT100 BKN200 FM101400 21005KT P6SM -SHRA BKN040 OVC060 BECMG 1015/1017 11008KT FM101700 11008KT 6SM -SHRA BR BKN020 OVC060 FM102200 11008KT 3SM -SHRA BR BKN020 OVC060 PROB30 1022/1103 2SM TSRA BR OVC020CB FM110300 13008KT 3SM -SHRA BR SCT006 OVC020 RMK FCST BASED ON AUTO OBS. NXT FCST BY 101200Z
Upcoming Changes (Next 12 Hours)
09:47Z BASE
+0h
VFR VRB 3 kt
Visibility: >6SM
14:00Z FM101400
+5h
VFR 210° 5 kt
Visibility: >6SM
Ceiling: 4,000 ft
Light Showers Rain
15:00Z BECMG
+6h
VFR 110° 8 kt
17:00Z FM101700
+8h
MVFR 110° 8 kt
Visibility: 6SM
Ceiling: 2,000 ft
Light Showers Rain, Mist

24-Hour Weather Evolution

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Data Sources
  • • Current conditions from METAR observations
  • • Historical data from past 24 hours
  • • No forecast or predicted data included
  • • Data updated with each new METAR report
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Note: Future values beyond current TAF validity are estimates based on climatological data and trends. Always verify with current forecasts before flight operations.

Airport Runway Layout

N
YJN
02
20 ✈️
06
24
11
29

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 02/20
Active: 20
2,474 ft 100 ft ASP 360°
1.5 kt 2.6 kt
60° angle
06/24 2,765 ft 100 ft ASP 45°
0.3 kt 3.0 kt
95° angle
11/29 4,000 ft 100 ft ASP 90°
1.9 kt 2.3 kt
50° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

St Jean Airport - Airport Information

Airport Details

ICAO Code: CYJN
IATA Code: YJN
Type: medium airport
Status: active
Elevation: 136 ft MSL

Location

City: St Jean
Country: CA
Latitude: 45.294399°
Longitude: -73.281097°
Time Zone: Etc/GMT+5

Runway Information

Runway 02/20
Length: 2,474 ft
Width: 100 ft
Surface: ASP
ILS: No
Runway 06/24
Length: 2,765 ft
Width: 100 ft
Surface: ASP
ILS: No
Runway 11/29
Length: 4,000 ft
Width: 100 ft
Surface: ASP
ILS: No

About St Jean Airport

Overview

St Jean Airport (CYJN) is a medium-sized airport located near St Jean, Canada, situated at an elevation of 136 feet above mean sea level. The airport serves the regional transportation needs of the St Jean area, providing critical aviation infrastructure for local and transient aircraft operations.

Flying Conditions

The airport's three asphalt runways offer multiple landing options, with lengths ranging from 2,474 to 4,000 feet. Positioned at coordinates 45.294399, -73.281097, the airport experiences typical southeastern Quebec regional weather patterns, which can include variable wind conditions across its multiple runway orientations.

Notable Features

St Jean Airport features three runways with different headings: 02/20, 06/24, and 11/29, providing pilots with flexible landing and takeoff options based on wind direction. The varied runway configuration allows for adaptable operations, with the longest runway (11/29) measuring 4,000 feet, which supports a range of aircraft sizes and types.

Approach Considerations

Pilots should carefully assess wind conditions given the airport's multiple runway options, with specific attention to the runway lengths and headings. The three runways at different angles provide multiple approach alternatives, allowing for safer operations under varying wind conditions and helping pilots select the most appropriate runway based on current meteorological circumstances.

Data Sources & Accuracy: Airport information sourced from OurAirports.com, a collaborative database of worldwide airport data. Weather data from official aviation weather services including NOAA Aviation Weather Center and international METAR/TAF providers. Information is updated regularly but pilots should always verify current conditions and NOTAMs through official channels before flight operations.

Official Data Sources

Weather NOAA Aviation Weather Center • International METAR/TAF Network
Airports OurAirports.com • Public domain airport database
NOTAMs FAA NOTAM System • ICAO NOTAM Distribution
Last updated: Jan 1, 1970 12:00 AM UTC

Disclaimer: Data is provided for informational purposes only. Pilots must verify all information through official sources before flight operations. Weather conditions change rapidly; always obtain a current briefing from approved weather services.