Ottawa/Macdonald-Cartier International Airport (YOW) 15 Day Weather Forecast, Ottawa Canada

Current weather conditions and 15 day weather forecast for Ottawa/Macdonald-Cartier International Airport in Ottawa, Canada including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.

Current weather conditions at YOW

22 December 2025 Mon
-11.9 ° C
( 10.6°F )

Clear
Clear
Feels Like : -19.1 ° C / -2.4°F
Humidity : % 72
Pressure : 1028 mb
Wind Speed : 15.1 kmph / 9.4 miles from WNWWNW
Visibility : 24 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 0

15-day weather forecast for Ottawa/Macdonald-Cartier International Airport, Ottawa, Canada

Date Weather forecast Low temperature High temperature Average Temperature Humidity Wind Chance of rain
22 December 2025 Mon Overcast  Overcast -13.3 ° C -4.7 ° C -8.6 ° C % 78 15.5 km/h 0%
23 December 2025 Tue Moderate or heavy snow showers Moderate or heavy snow showers -6.9 ° C -4.5 ° C -5.5 ° C % 91 18.4 km/h 63%
24 December 2025 Wed Partly Cloudy  Partly Cloudy -10.3 ° C -2.1 ° C -4.5 ° C % 77 30.2 km/h 0%
25 December 2025 Thu Partly Cloudy  Partly Cloudy -9.9 ° C -3.8 ° C -7 ° C % 91 9.4 km/h 0%
26 December 2025 Fri Moderate or heavy freezing rain Moderate or heavy freezing rain -14.8 ° C -0 ° C -5.4 ° C % 90 30.2 km/h 70%
27 December 2025 Sat Cloudy  Cloudy -19.4 ° C -13.7 ° C -15.8 ° C % 85 13.3 km/h 0%
28 December 2025 Sun Heavy snow Heavy snow -13.5 ° C -3 ° C -9.9 ° C % 89 33.1 km/h 84%
29 December 2025 Mon Light freezing rain Light freezing rain -19.1 ° C -11.9 ° C -14.6 ° C % 82 26.3 km/h 0%
30 December 2025 Tue Heavy snow Heavy snow -21.1 ° C -7.6 ° C -12.8 ° C % 93 27.4 km/h 85%
31 December 2025 Wed Cloudy  Cloudy -18.9 ° C -14.2 ° C -15.5 ° C % 86 24.8 km/h 0%
01 January 2026 Thu Overcast  Overcast -11.1 ° C 1.9 ° C -3.3 ° C % 93 23.8 km/h 0%
02 January 2026 Fri Freezing fog Freezing fog -0.3 ° C 0.8 ° C 0.9 ° C % 99 19.4 km/h 76%
03 January 2026 Sat Blowing snow Blowing snow -9 ° C -4.6 ° C -4.7 ° C % 80 38.5 km/h 82%
04 January 2026 Sun Cloudy  Cloudy -9 ° C -5.1 ° C -5.9 ° C % 80 30.6 km/h 0%
Weather forecasts are usually fully updated every 3 hours.

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