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

13 December 2025 Sat
-8.7 ° C
( 16.3°F )

Light snow
Light snow
Feels Like : -15.5 ° C / 4.1°F
Humidity : % 85
Pressure : 1011 mb
Wind Speed : 16.6 kmph / 10.3 miles from SSESSE
Visibility : 3.2 km
Precipitation (rainfall) : 0.54 mm
Cloud (%) : 100

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
13 December 2025 Sat Light snow Light snow -17.8 ° C -0.9 ° C -10.1 ° C % 81 20.5 km/h 84%
14 December 2025 Sun Sunny Sunny -11.7 ° C -7 ° C -9.3 ° C % 68 19.8 km/h 0%
15 December 2025 Mon Moderate or heavy snow showers Moderate or heavy snow showers -11 ° C -6.5 ° C -8.6 ° C % 81 16.6 km/h 89%
16 December 2025 Tue Freezing fog Freezing fog -16.7 ° C -4.8 ° C -9.1 ° C % 94 12.6 km/h 80%
17 December 2025 Wed Light freezing rain Light freezing rain -3.4 ° C 2.6 ° C 0.1 ° C % 92 31 km/h 69%
18 December 2025 Thu Patchy rain nearby Patchy rain nearby 0.1 ° C 2.9 ° C 1.2 ° C % 95 21.2 km/h 60%
19 December 2025 Fri Partly Cloudy  Partly Cloudy -1.9 ° C 1.4 ° C -0.7 ° C % 91 16.9 km/h 0%
20 December 2025 Sat Partly Cloudy  Partly Cloudy -8.2 ° C -5.3 ° C -6.1 ° C % 83 11.2 km/h 0%
21 December 2025 Sun Heavy snow Heavy snow -6.9 ° C -0.5 ° C -4 ° C % 94 13.7 km/h 77%
22 December 2025 Mon Mist Mist -8.6 ° C -3.2 ° C -5.9 ° C % 92 8.3 km/h 0%
23 December 2025 Tue Light snow Light snow -6.4 ° C -3.6 ° C -5.1 ° C % 94 17.6 km/h 68%
24 December 2025 Wed Mist Mist -11.7 ° C -1.3 ° C -4.5 ° C % 93 16.9 km/h 83%
25 December 2025 Thu Freezing fog Freezing fog -16.3 ° C -5.8 ° C -10.5 ° C % 95 10.8 km/h 84%
26 December 2025 Fri Light freezing rain Light freezing rain -4.9 ° C 1.6 ° C -0.8 ° C % 97 22 km/h 80%
Weather forecasts are usually fully updated every 3 hours.

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