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
| 13 September 2026 Sun 19.1 ° C ( 66.4°F )  Light rain |
Feels Like : 18.7 ° C / 65.7°F Humidity : % 92 Pressure : 1010 mb Wind Speed : 16.2 kmph / 10.1 miles from SW 
Visibility : 10 km Precipitation (rainfall) : 0.97 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 |
|---|---|---|---|---|---|---|---|
| 13 September 2026 Sun |  Patchy rain nearby |
13.6 ° C | 24.5 ° C | 20 ° C | % 75 | 23 km/h | 79% |
| 14 September 2026 Mon |  Sunny |
8.1 ° C | 16.8 ° C | 12.6 ° C | % 66 | 23 km/h | 17% |
| 15 September 2026 Tue |  Overcast |
7.3 ° C | 17.2 ° C | 12.4 ° C | % 72 | 17.6 km/h | 27% |
| 16 September 2026 Wed | Overcast |
15.2 ° C | 21.4 ° C | 17.8 ° C | % 78 | 16.9 km/h | 64% |
| 17 September 2026 Thu | Overcast |
11.4 ° C | 15 ° C | 12.3 ° C | % 82 | 19.1 km/h | 89% |
| 18 September 2026 Fri | Overcast |
10 ° C | 16.5 ° C | 13 ° C | % 76 | 21.6 km/h | 86% |
| 19 September 2026 Sat | Sunny |
5.3 ° C | 15.8 ° C | 10 ° C | % 67 | 14.4 km/h | 5% |
| 20 September 2026 Sun | Sunny |
6.4 ° C | 18.5 ° C | 12 ° C | % 67 | 14 km/h | 6% |
| 21 September 2026 Mon | Sunny |
5.6 ° C | 15.5 ° C | 10.1 ° C | % 66 | 15.5 km/h | 6% |
| 22 September 2026 Tue | Sunny |
6 ° C | 19.3 ° C | 12.1 ° C | % 72 | 9.7 km/h | 6% |
| 23 September 2026 Wed | Sunny |
7.9 ° C | 18.5 ° C | 12.5 ° C | % 73 | 9.7 km/h | 9% |
| 24 September 2026 Thu | Sunny |
8.3 ° C | 19.2 ° C | 13.3 ° C | % 73 | 9.7 km/h | 7% |
| 25 September 2026 Fri | Overcast |
10.8 ° C | 19.2 ° C | 13.6 ° C | % 65 | 17.3 km/h | 9% |
| 26 September 2026 Sat | Sunny |
7 ° C | 17.1 ° C | 11.2 ° C | % 56 | 38.5 km/h | 36% |
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