CA
CYOW
Current Weather

Ottawa Macdonald-Cartier International Airport

CYOW / YOW

Ottawa, CA

Last Updated

Jan 17, 12:00 UTC

Current Weather

Display Units

Time

Temp

Wind

Alt

Last Updated

12:00Z

☀️ Day

VFR

Flight Rules

-12°C

Temperature

Dewpoint: -14°C

9kt

60°

15 SM

Visibility

3,000 ft

Ceiling

Above Ground Level

29.89

QNH (inHg)

Altimeter Setting

Raw METAR

METAR CYOW 171200Z 06009KT 15SM OVC030 M12/M14 A2989 RMK SC8 SLP132

Clouds - Visual Profile

12,000ft

9,000ft

6,000ft

3,000ft

Ground

Field Elev: 374ft

OVC 3,000ft AGL

☁️

OVC

Overcast (8/8 sky coverage)

3,000ft

AGL (Above Ground)

3,374ft AMSL

Altimeter Settings & Pressure Information

QNH

29.89 inHg

Sea Level Pressure

For altitude above MSL

QFE

29.52 inHg

Field Pressure

Height above aerodrome (374 ft)

Pressure Alt

404 ft

QNE Reference

Standard: 29.92 inHg

Density Altitude: -2,746 ft

ISA Deviation: -26.3°C

Forecast (TAF)

View Full TAF

Raw TAF

TAF CYOW 171140Z 1712/1818 06007KT P6SM SCT012 BKN030 TEMPO 1712/1716 P6SM -SN SCT008 OVC012 FM171600 14008G18KT P6SM -SN SCT012 OVC025 TEMPO 1716/1718 5SM -SN SCT008 OVC012 PROB30 1716/1718 2SM -SN FM171800 18008G18KT 5SM -SN SCT008 OVC012 FM180100 20010KT P6SM SCT020 BKN080 FM180400 20009KT P6SM FEW020 SCT100 FM180700 23010KT P6SM SCT020 BKN050 FM181200 23009KT 5SM -SN BKN020 OVC050 FM181600 23012G22KT P6SM SCT020 SCT050 RMK NXT FCST BY 171500Z

Upcoming Changes (Next 12 Hours)

12:18Z BASE

+0h

VFR 60° 7kt

Visibility: >6SM

Ceiling: 3,000ft

16:00Z FM171600

+4h

MVFR 140° 8kt

Visibility: >6SM

Ceiling: 2,500ft

Light Snow

16:00Z TEMPO

+4h

IFR

Visibility: 5SM

Ceiling: 1,200ft

Light Snow

16:00Z PROB30

+4h

IFR

Visibility: 2SM

Light Snow

24-Hour Weather Evolution

Loading weather data...

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

Chart Features

• Hover for exact values and timestamps
• Click legend items to toggle data series
• Zoom and pan for detailed analysis
• Units automatically converted to preferences

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

↑

YOW

07 ✈️

Runway Information

Runway	Length	Width	Surface	Heading	Wind Component
04/22	3,300 ft	75 ft	ASP	26°	↑ 7.5kt • ↔ 5.0kt 34° angle
✈️ 07/25 Active: 07	8,000 ft	200 ft	ASP	57°	↑ 8.9kt • ↔ 1.6kt 10° angle
14/32	10,000 ft	200 ft	ASP	126°	↑ 3.7kt • ↔ 8.2kt 66° angle

🟢 Active Runway: Best headwind component for current conditions

⬆️ Headwind: Favorable wind component

↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Ottawa Macdonald-Cartier International Airport - Airport Information

Airport Details

ICAO Code: CYOW

IATA Code: YOW

Type: large airport

Status: active

Elevation: 374 ft MSL

Location

City: Ottawa

Country: CA

Latitude: 45.322498°

Longitude: -75.669197°

Time Zone: Etc/GMT5

Runway Information

Runway 04/22

Length: 3,300 ft

Width: 75 ft

Surface: ASP

ILS: No

Runway 07/25

Length: 8,000 ft

Width: 200 ft

Surface: ASP

ILS: No

Runway 14/32

Length: 10,000 ft

Width: 200 ft

Surface: ASP

ILS: No

Aeronautical Information Publication (AIP)

✓ Free Access

AIP - Canada

Official AIP for Canada via NAV CANADA (Free)

Managed by: NAV CANADA

Access Information: Freely accessible online
Access details: Public

Alternative Resources:

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Resources for Pilots

Weather Data

Current conditions and forecasts

• Real-time METAR reports

• Extended TAF forecasts

• Flight rules assessment

Charts & Navigation

Essential aviation charts

• Visual approach charts

• Instrument procedures

• Airport diagrams

Operations

Airport operational data

• Operating hours: 24/7

• Ground handling available

• Fuel services available

Performance Calculator

Calculate takeoff and landing distances

• Runway suitability assessment

• Real weather conditions

• Safety margin analysis

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About Ottawa Macdonald-Cartier International Airport

Ottawa Macdonald-Cartier International Airport (CYOW/YOW) is a major international airport and aviation hub located in Ottawa, CA. The facility operates at an elevation of 374 feet above sea level and primarily serves international passenger and cargo operations.

The facility features 3 runways (04/22, 07/25, 14/32) with ASP surface . Weather services provide continuous METAR reports and TAF forecasts to ensure safe flight operations in all conditions.

Pilots can access comprehensive weather data, including current conditions, extended forecasts, and flight rules analysis. The airport information displayed here includes runway details, operational data, and essential resources for flight planning and execution. All weather data is updated regularly to provide the most current information for aviation decision-making.

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.