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
-12.8 ° C
( 9°F )

Partly cloudy
Partly cloudy
Feels Like : -15 ° C / 5°F
Humidity : % 92
Pressure : 1014 mb
Wind Speed : 3.6 kmph / 2.2 miles from NNENNE
Visibility : 24 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 75

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 Moderate snow Moderate snow -16 ° C -0.9 ° C -7.9 ° C % 84 20.9 km/h 77%
14 December 2025 Sun Sunny Sunny -11.5 ° C -8.5 ° C -9.4 ° C % 70 15.1 km/h 0%
15 December 2025 Mon Moderate or heavy snow showers Moderate or heavy snow showers -10.9 ° C -6.5 ° C -8.4 ° C % 82 16.2 km/h 60%
16 December 2025 Tue Mist Mist -17 ° C -5.1 ° C -9.3 ° C % 93 14.8 km/h 72%
17 December 2025 Wed Light snow Light snow -3.4 ° C 3.1 ° C -0.2 ° C % 89 29.2 km/h 76%
18 December 2025 Thu Heavy snow Heavy snow -7 ° C -1.5 ° C -3.2 ° C % 91 29.9 km/h 89%
19 December 2025 Fri Light freezing rain Light freezing rain -13.4 ° C -3.9 ° C -5.8 ° C % 82 32.4 km/h 70%
20 December 2025 Sat Light snow Light snow -11.9 ° C -5.4 ° C -7.5 ° C % 95 13.7 km/h 68%
21 December 2025 Sun Freezing fog Freezing fog -11.2 ° C -1.3 ° C -4 ° C % 94 9 km/h 0%
22 December 2025 Mon Mist Mist -15.5 ° C -6.6 ° C -9.9 ° C % 92 22.3 km/h 80%
23 December 2025 Tue Moderate or heavy freezing rain Moderate or heavy freezing rain -6.7 ° C 3.2 ° C -2 ° C % 90 31.3 km/h 89%
24 December 2025 Wed Overcast  Overcast -23.7 ° C -17.3 ° C -17.8 ° C % 82 27.4 km/h 0%
25 December 2025 Thu Mist Mist -24.3 ° C -6.8 ° C -13.2 ° C % 91 15.8 km/h 61%
26 December 2025 Fri Mist Mist -9.7 ° C 0.5 ° C -3.9 ° C % 96 20.5 km/h 68%
Weather forecasts are usually fully updated every 3 hours.

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