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
| 05 December 2025 Fri -18.7 ° C ( -1.7°F )  Clear |
Feels Like : -25.8 ° C / -14.5°F Humidity : % 59 Pressure : 1026 mb Wind Speed : 10.4 kmph / 6.5 miles from WNW 
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 |
|---|---|---|---|---|---|---|---|
| 04 December 2025 Thu |  Patchy moderate snow |
-16.9 ° C | -7 ° C | -9.4 ° C | % 66 | 29.5 km/h | 65% |
| 05 December 2025 Fri |  Overcast |
-18.2 ° C | -5.4 ° C | -11.5 ° C | % 73 | 18.7 km/h | 0% |
| 06 December 2025 Sat | Overcast |
-6.1 ° C | 0.4 ° C | -2.7 ° C | % 86 | 20.5 km/h | 0% |
| 07 December 2025 Sun |  Light freezing rain |
-11 ° C | -8.1 ° C | -8.6 ° C | % 64 | 16.2 km/h | 88% |
| 08 December 2025 Mon | Light freezing rain |
-14.6 ° C | -10.2 ° C | -11.7 ° C | % 82 | 18.7 km/h | 70% |
| 09 December 2025 Tue |  Moderate or heavy snow showers |
-12.6 ° C | -3.3 ° C | -9 ° C | % 89 | 24.1 km/h | 89% |
| 10 December 2025 Wed |  Patchy rain nearby |
0.3 ° C | 3.2 ° C | 1.8 ° C | % 89 | 24.8 km/h | 83% |
| 11 December 2025 Thu |  Blowing snow |
-10.5 ° C | 1.5 ° C | -4.4 ° C | % 82 | 28.8 km/h | 87% |
| 12 December 2025 Fri |  Cloudy |
-12 ° C | -6.8 ° C | -9.3 ° C | % 77 | 16.2 km/h | 0% |
| 13 December 2025 Sat |  Partly Cloudy |
-10 ° C | -6.9 ° C | -8.6 ° C | % 81 | 14 km/h | 0% |
| 14 December 2025 Sun | Partly Cloudy |
-10.2 ° C | -0.9 ° C | -4.2 ° C | % 82 | 27.4 km/h | 0% |
| 15 December 2025 Mon | Partly Cloudy |
-8.6 ° C | -6.4 ° C | -6.9 ° C | % 68 | 32.8 km/h | 0% |
| 16 December 2025 Tue | Partly Cloudy |
-10.4 ° C | -6.4 ° C | -8.4 ° C | % 77 | 26.3 km/h | 0% |
| 17 December 2025 Wed | Cloudy |
-8.6 ° C | -4.8 ° C | -7.2 ° C | % 80 | 6.5 km/h | 0% |
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