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
| 12 September 2026 Sat 14.8 ° C ( 58.6°F )  Clear |
Feels Like : 13.5 ° C / 56.3°F Humidity : % 70 Pressure : 1017 mb Wind Speed : 6.1 kmph / 3.8 miles from SE 
Visibility : 10 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 |
|---|---|---|---|---|---|---|---|
| 11 September 2026 Fri | Sunny |
8.5 ° C | 20.6 ° C | 14.2 ° C | % 75 | 14.8 km/h | 7% |
| 12 September 2026 Sat |  Overcast |
10.9 ° C | 22.9 ° C | 16.8 ° C | % 78 | 16.9 km/h | 23% |
| 13 September 2026 Sun |  Patchy rain nearby |
16.3 ° C | 24.5 ° C | 19.8 ° C | % 84 | 24.1 km/h | 80% |
| 14 September 2026 Mon | Sunny |
9 ° C | 16.7 ° C | 12.9 ° C | % 67 | 17.3 km/h | 5% |
| 15 September 2026 Tue | Overcast |
7.5 ° C | 16.2 ° C | 12.7 ° C | % 69 | 19.8 km/h | 70% |
| 16 September 2026 Wed | Overcast |
15.2 ° C | 21.9 ° C | 17.1 ° C | % 83 | 17.6 km/h | 73% |
| 17 September 2026 Thu | Overcast |
14.2 ° C | 16.4 ° C | 15.4 ° C | % 88 | 9.4 km/h | 29% |
| 18 September 2026 Fri | Overcast |
11 ° C | 16.9 ° C | 13.5 ° C | % 79 | 13 km/h | 59% |
| 19 September 2026 Sat | Sunny |
8.8 ° C | 17.4 ° C | 12.9 ° C | % 77 | 17.3 km/h | 17% |
| 20 September 2026 Sun | Sunny |
9.2 ° C | 18.7 ° C | 13.8 ° C | % 81 | 8.3 km/h | 13% |
| 21 September 2026 Mon | Sunny |
11.3 ° C | 20.1 ° C | 15.3 ° C | % 83 | 9.7 km/h | 12% |
| 22 September 2026 Tue | Overcast |
11 ° C | 19.6 ° C | 14.4 ° C | % 83 | 16.9 km/h | 32% |
| 23 September 2026 Wed | Overcast |
10.4 ° C | 14 ° C | 11.9 ° C | % 80 | 15.8 km/h | 17% |
| 24 September 2026 Thu | Sunny |
10 ° C | 18.6 ° C | 13.9 ° C | % 80 | 19.4 km/h | 13% |
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