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 |
Feels Like : -15.5 ° C / 4.1°F Humidity : % 85 Pressure : 1011 mb Wind Speed : 16.6 kmph / 10.3 miles from SSE 
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 |
-17.8 ° C | -0.9 ° C | -10.1 ° C | % 81 | 20.5 km/h | 84% |
| 14 December 2025 Sun |  Sunny |
-11.7 ° C | -7 ° C | -9.3 ° C | % 68 | 19.8 km/h | 0% |
| 15 December 2025 Mon |  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 |
-16.7 ° C | -4.8 ° C | -9.1 ° C | % 94 | 12.6 km/h | 80% |
| 17 December 2025 Wed |  Light freezing rain |
-3.4 ° C | 2.6 ° C | 0.1 ° C | % 92 | 31 km/h | 69% |
| 18 December 2025 Thu |  Patchy rain nearby |
0.1 ° C | 2.9 ° C | 1.2 ° C | % 95 | 21.2 km/h | 60% |
| 19 December 2025 Fri |  Partly Cloudy |
-1.9 ° C | 1.4 ° C | -0.7 ° C | % 91 | 16.9 km/h | 0% |
| 20 December 2025 Sat | Partly Cloudy |
-8.2 ° C | -5.3 ° C | -6.1 ° C | % 83 | 11.2 km/h | 0% |
| 21 December 2025 Sun |  Heavy snow |
-6.9 ° C | -0.5 ° C | -4 ° C | % 94 | 13.7 km/h | 77% |
| 22 December 2025 Mon |  Mist |
-8.6 ° C | -3.2 ° C | -5.9 ° C | % 92 | 8.3 km/h | 0% |
| 23 December 2025 Tue | Light snow |
-6.4 ° C | -3.6 ° C | -5.1 ° C | % 94 | 17.6 km/h | 68% |
| 24 December 2025 Wed | Mist |
-11.7 ° C | -1.3 ° C | -4.5 ° C | % 93 | 16.9 km/h | 83% |
| 25 December 2025 Thu | Freezing fog |
-16.3 ° C | -5.8 ° C | -10.5 ° C | % 95 | 10.8 km/h | 84% |
| 26 December 2025 Fri | Light freezing rain |
-4.9 ° C | 1.6 ° C | -0.8 ° C | % 97 | 22 km/h | 80% |
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