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
| 14 March 2026 Sat 0.4 ° C ( 32.7°F )  Partly cloudy |
Feels Like : -5.7 ° C / 21.7°F Humidity : % 64 Pressure : 1018 mb Wind Speed : 27.7 kmph / 17.2 miles from WNW 
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 |
|---|---|---|---|---|---|---|---|
| 14 March 2026 Sat |  Moderate or heavy snow showers |
-5.3 ° C | 0.1 ° C | -1.5 ° C | % 85 | 32.4 km/h | 61% |
| 15 March 2026 Sun |  Overcast |
-7.9 ° C | -0.8 ° C | -3.4 ° C | % 81 | 29.2 km/h | 0% |
| 16 March 2026 Mon |  Moderate rain |
-0.3 ° C | 8.8 ° C | 3 ° C | % 95 | 30.2 km/h | 89% |
| 17 March 2026 Tue | Moderate or heavy snow showers |
-9.8 ° C | -5 ° C | -6 ° C | % 72 | 33.8 km/h | 66% |
| 18 March 2026 Wed |  Light freezing rain |
-12 ° C | -3 ° C | -7.8 ° C | % 67 | 19.1 km/h | 62% |
| 19 March 2026 Thu |  Heavy snow |
-6.2 ° C | 1.2 ° C | -3.3 ° C | % 95 | 15.5 km/h | 75% |
| 20 March 2026 Fri |  Patchy rain nearby |
0.4 ° C | 4.9 ° C | 2 ° C | % 95 | 16.9 km/h | 83% |
| 21 March 2026 Sat | Partly Cloudy |
-2.7 ° C | 2.2 ° C | -0.4 ° C | % 71 | 17.6 km/h | 0% |
| 22 March 2026 Sun |  Cloudy |
-4.6 ° C | 0.1 ° C | -2.3 ° C | % 66 | 16.9 km/h | 0% |
| 23 March 2026 Mon |  Sunny |
-9.2 ° C | -1.8 ° C | -5.6 ° C | % 49 | 18.4 km/h | 0% |
| 24 March 2026 Tue | Sunny |
-9.8 ° C | -1.7 ° C | -5.7 ° C | % 47 | 21.2 km/h | 0% |
| 25 March 2026 Wed | Sunny |
-10.2 ° C | -1.7 ° C | -5.9 ° C | % 46 | 26.6 km/h | 0% |
| 26 March 2026 Thu | Partly Cloudy |
-8.1 ° C | 1.7 ° C | -3.4 ° C | % 52 | 23 km/h | 0% |
| 27 March 2026 Fri | Overcast |
-3.7 ° C | 4.9 ° C | -0.3 ° C | % 55 | 16.9 km/h | 0% |
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