St. John's Airport (YYT) 15 Day Weather Forecast, St. John's Canada
Current weather conditions and 15 day weather forecast for St. John's Airport in St. John's, 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 YYT
| 12 September 2026 Sat 12.2 ° C ( 53.9°F )  Partly cloudy |
Feels Like : 9.5 ° C / 49°F Humidity : % 82 Pressure : 998 mb Wind Speed : 28.8 kmph / 17.9 miles from W 
Visibility : 24.1 km Precipitation (rainfall) : 0 mm Cloud (%) : 50 |
15-day weather forecast for St. John's Airport, St. John's, Canada
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 12 September 2026 Sat |  Patchy rain nearby |
7.8 ° C | 11.2 ° C | 9.9 ° C | % 78 | 28.8 km/h | 62% |
| 13 September 2026 Sun |  Overcast |
6.1 ° C | 17.6 ° C | 11.5 ° C | % 76 | 21.6 km/h | 13% |
| 14 September 2026 Mon | Overcast |
11.1 ° C | 18.2 ° C | 14.6 ° C | % 94 | 34.2 km/h | 92% |
| 15 September 2026 Tue | Overcast |
9.9 ° C | 18.3 ° C | 14.3 ° C | % 86 | 26.6 km/h | 84% |
| 16 September 2026 Wed |  Sunny |
9.1 ° C | 17.3 ° C | 12.5 ° C | % 80 | 12.6 km/h | 12% |
| 17 September 2026 Thu | Overcast |
10.7 ° C | 19.8 ° C | 14.7 ° C | % 82 | 7.9 km/h | 19% |
| 18 September 2026 Fri | Patchy rain nearby |
7.6 ° C | 17.1 ° C | 13.2 ° C | % 84 | 27.4 km/h | 71% |
| 19 September 2026 Sat | Patchy rain nearby |
7 ° C | 12.4 ° C | 10 ° C | % 79 | 19.8 km/h | 37% |
| 20 September 2026 Sun | Overcast |
11.3 ° C | 16.6 ° C | 13.9 ° C | % 87 | 19.1 km/h | 82% |
| 21 September 2026 Mon | Sunny |
10 ° C | 17.3 ° C | 12.5 ° C | % 84 | 6.8 km/h | 18% |
| 22 September 2026 Tue | Sunny |
8.3 ° C | 15.2 ° C | 11.2 ° C | % 76 | 15.1 km/h | 11% |
| 23 September 2026 Wed | Overcast |
7 ° C | 12.4 ° C | 9.4 ° C | % 67 | 22 km/h | 13% |
| 24 September 2026 Thu | Overcast |
5.7 ° C | 9.7 ° C | 8.2 ° C | % 68 | 23 km/h | 15% |
| 25 September 2026 Fri | Overcast |
5.8 ° C | 11.2 ° C | 8.6 ° C | % 76 | 18 km/h | 21% |
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