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
| 11 April 2026 Sat 3.4 ° C ( 38.1°F )  Partly cloudy |
Feels Like : 0.8 ° C / 33.5°F Humidity : % 93 Pressure : 1022 mb Wind Speed : 9.7 kmph / 6 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 |
|---|---|---|---|---|---|---|---|
| 10 April 2026 Fri |  Moderate rain |
3.5 ° C | 9.1 ° C | 6 ° C | % 86 | 10.8 km/h | 88% |
| 11 April 2026 Sat |  Patchy rain nearby |
1.3 ° C | 7.7 ° C | 4.5 ° C | % 72 | 21.6 km/h | 89% |
| 12 April 2026 Sun | Moderate rain |
0.2 ° C | 5.2 ° C | 2.6 ° C | % 80 | 19.8 km/h | 86% |
| 13 April 2026 Mon |  Heavy rain |
3.2 ° C | 18.1 ° C | 11.4 ° C | % 91 | 33.5 km/h | 89% |
| 14 April 2026 Tue | Patchy rain nearby |
6.2 ° C | 15.2 ° C | 10.8 ° C | % 90 | 20.2 km/h | 86% |
| 15 April 2026 Wed | Moderate rain |
11.4 ° C | 19.8 ° C | 14.3 ° C | % 94 | 27 km/h | 89% |
| 16 April 2026 Thu |  Overcast |
6.9 ° C | 12.9 ° C | 9 ° C | % 79 | 18 km/h | 0% |
| 17 April 2026 Fri | Patchy rain nearby |
5.6 ° C | 21.2 ° C | 13.5 ° C | % 77 | 16.6 km/h | 88% |
| 18 April 2026 Sat | Patchy rain nearby |
4.4 ° C | 17 ° C | 12.5 ° C | % 91 | 29.9 km/h | 89% |
| 19 April 2026 Sun | Overcast |
2.2 ° C | 9.5 ° C | 4.4 ° C | % 68 | 20.5 km/h | 0% |
| 20 April 2026 Mon | Partly Cloudy |
0.1 ° C | 11.7 ° C | 5.5 ° C | % 62 | 23.4 km/h | 0% |
| 21 April 2026 Tue |  Sunny |
-0.9 ° C | 12 ° C | 5.6 ° C | % 63 | 10.8 km/h | 0% |
| 22 April 2026 Wed | Sunny |
2.7 ° C | 17.7 ° C | 10.2 ° C | % 66 | 20.2 km/h | 0% |
| 23 April 2026 Thu | Patchy rain nearby |
7.1 ° C | 18.8 ° C | 13.8 ° C | % 73 | 33.5 km/h | 70% |
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