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 -1.7 ° C ( 28.9°F )  Light snow |
Feels Like : -6.4 ° C / 20.5°F Humidity : % 93 Pressure : 1002 mb Wind Speed : 14.4 kmph / 8.9 miles from NE 
Visibility : 4.8 km Precipitation (rainfall) : 0.01 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 |
|---|---|---|---|---|---|---|---|
| 14 March 2026 Sat |  Light freezing rain |
-5.9 ° C | 0.4 ° C | -1.3 ° C | % 87 | 32.4 km/h | 78% |
| 15 March 2026 Sun |  Moderate or heavy snow showers |
-7.5 ° C | -1.3 ° C | -3.8 ° C | % 83 | 31 km/h | 85% |
| 16 March 2026 Mon |  Overcast |
-1.2 ° C | 13.1 ° C | 5.8 ° C | % 98 | 30.2 km/h | 0% |
| 17 March 2026 Tue |  Blowing snow |
-9.6 ° C | -5.2 ° C | -4.2 ° C | % 72 | 36.4 km/h | 64% |
| 18 March 2026 Wed | Overcast |
-12 ° C | -3.8 ° C | -9.2 ° C | % 64 | 17.3 km/h | 0% |
| 19 March 2026 Thu |  Heavy snow |
-4.9 ° C | 1.4 ° C | -1 ° C | % 92 | 28.1 km/h | 72% |
| 20 March 2026 Fri | Light freezing rain |
-5.8 ° C | -0.7 ° C | -2.9 ° C | % 71 | 20.2 km/h | 0% |
| 21 March 2026 Sat | Light freezing rain |
-7 ° C | 2.1 ° C | -2.9 ° C | % 70 | 23.8 km/h | 86% |
| 22 March 2026 Sun | Light freezing rain |
-9.3 ° C | -6 ° C | -7.3 ° C | % 61 | 27.7 km/h | 0% |
| 23 March 2026 Mon |  Patchy moderate snow |
-11.2 ° C | -5.7 ° C | -8.1 ° C | % 65 | 14 km/h | 80% |
| 24 March 2026 Tue | Light freezing rain |
-5.3 ° C | -1.1 ° C | -2.6 ° C | % 87 | 16.9 km/h | 76% |
| 25 March 2026 Wed |  Sunny |
-9.1 ° C | -3.4 ° C | -5.5 ° C | % 62 | 27.7 km/h | 0% |
| 26 March 2026 Thu |  Partly Cloudy |
-11.9 ° C | -2.1 ° C | -6.7 ° C | % 53 | 14.4 km/h | 0% |
| 27 March 2026 Fri |  Ice pellets |
-5.2 ° C | -1.6 ° C | -2.8 ° C | % 72 | 25.6 km/h | 82% |
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