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
| 24 August 2026 Mon 16.2 ° C ( 61.2°F )  Patchy light drizzle |
Feels Like : 14.5 ° C / 58.1°F Humidity : % 87 Pressure : 1008 mb Wind Speed : 15.5 kmph / 9.6 miles from SW 
Visibility : 10 km Precipitation (rainfall) : 0.4 mm Cloud (%) : 89 |
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 |
|---|---|---|---|---|---|---|---|
| 23 August 2026 Sun |  Patchy rain nearby |
16.2 ° C | 23.4 ° C | 19.4 ° C | % 82 | 25.6 km/h | 87% |
| 24 August 2026 Mon |  Light rain shower |
12.2 ° C | 18.4 ° C | 15.7 ° C | % 89 | 25.6 km/h | 89% |
| 25 August 2026 Tue | Patchy rain nearby |
11.7 ° C | 18.4 ° C | 15.3 ° C | % 85 | 19.8 km/h | 32% |
| 26 August 2026 Wed |  Sunny |
12.4 ° C | 24.3 ° C | 17.9 ° C | % 79 | 17.3 km/h | 14% |
| 27 August 2026 Thu |  Overcast |
14.5 ° C | 23.9 ° C | 19.1 ° C | % 81 | 22.3 km/h | 67% |
| 28 August 2026 Fri | Sunny |
12.9 ° C | 24.5 ° C | 18.6 ° C | % 79 | 23 km/h | 22% |
| 29 August 2026 Sat | Sunny |
9.8 ° C | 19.3 ° C | 14.4 ° C | % 73 | 15.1 km/h | 8% |
| 30 August 2026 Sun | Overcast |
11.9 ° C | 23.2 ° C | 16.4 ° C | % 78 | 21.2 km/h | 55% |
| 31 August 2026 Mon | Sunny |
12 ° C | 18 ° C | 14.9 ° C | % 72 | 17.6 km/h | 36% |
| 01 September 2026 Tue | Patchy rain nearby |
8.4 ° C | 17.7 ° C | 13.2 ° C | % 69 | 16.6 km/h | 36% |
| 02 September 2026 Wed | Overcast |
10.8 ° C | 18.9 ° C | 15.2 ° C | % 68 | 11.2 km/h | 11% |
| 03 September 2026 Thu | Overcast |
11.7 ° C | 20.1 ° C | 16.3 ° C | % 59 | 14.4 km/h | 7% |
| 04 September 2026 Fri | Overcast |
13.7 ° C | 19.2 ° C | 16 ° C | % 64 | 16.6 km/h | 16% |
| 05 September 2026 Sat | Overcast |
11.9 ° C | 21.3 ° C | 16.8 ° C | % 65 | 6.8 km/h | 11% |
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