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
| 13 September 2026 Sun 6.6 ° C ( 43.8°F )  Partly Cloudy |
Feels Like : 5.2 ° C / 41.4°F Humidity : % 86 Pressure : 1024 mb Wind Speed : 7.2 kmph / 4.5 miles from SW 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 32 |
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 |
|---|---|---|---|---|---|---|---|
| 13 September 2026 Sun |  Overcast |
6.2 ° C | 17.4 ° C | 11.6 ° C | % 77 | 21.6 km/h | 16% |
| 14 September 2026 Mon | Overcast |
11.4 ° C | 19 ° C | 15 ° C | % 94 | 40.7 km/h | 92% |
| 15 September 2026 Tue | Overcast |
10.3 ° C | 18.1 ° C | 14 ° C | % 85 | 26.3 km/h | 30% |
| 16 September 2026 Wed |  Mist |
10.1 ° C | 18.2 ° C | 13.7 ° C | % 86 | 15.1 km/h | 19% |
| 17 September 2026 Thu | Overcast |
11.1 ° C | 19.8 ° C | 15.8 ° C | % 76 | 15.8 km/h | 19% |
| 18 September 2026 Fri |  Patchy rain nearby |
10 ° C | 19 ° C | 13.9 ° C | % 82 | 18.7 km/h | 81% |
| 19 September 2026 Sat | Overcast |
7.2 ° C | 15.3 ° C | 10.7 ° C | % 77 | 19.4 km/h | 14% |
| 20 September 2026 Sun | Overcast |
8.2 ° C | 16.6 ° C | 12.1 ° C | % 80 | 19.1 km/h | 35% |
| 21 September 2026 Mon | Overcast |
7.1 ° C | 13.5 ° C | 11.2 ° C | % 87 | 30.2 km/h | 73% |
| 22 September 2026 Tue | Patchy rain nearby |
4.3 ° C | 8.3 ° C | 6.1 ° C | % 66 | 30.6 km/h | 45% |
| 23 September 2026 Wed | Overcast |
3.2 ° C | 13 ° C | 8.4 ° C | % 71 | 26.6 km/h | 14% |
| 24 September 2026 Thu | Patchy rain nearby |
5.3 ° C | 10.6 ° C | 8.6 ° C | % 80 | 29.2 km/h | 62% |
| 25 September 2026 Fri |  Sunny |
4.3 ° C | 16 ° C | 9.7 ° C | % 74 | 18.7 km/h | 7% |
| 26 September 2026 Sat | Sunny |
8 ° C | 16.7 ° C | 11.6 ° C | % 75 | 16.2 km/h | 9% |
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