Saint John Airport (YSJ) 15 Day Weather Forecast, Saint John Canada
Current weather conditions and 15 day weather forecast for Saint John Airport in Saint John, 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 YSJ
| 14 December 2025 Sun -3.7 ° C ( 25.3°F )  Light snow |
Feels Like : -4.9 ° C / 23.1°F Humidity : % 100 Pressure : 1014 mb Wind Speed : 3.6 kmph / 2.2 miles from N 
Visibility : 13 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15-day weather forecast for Saint John Airport, Saint John, Canada
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 14 December 2025 Sun |  Patchy moderate snow |
-5.8 ° C | 0.1 ° C | -2.9 ° C | % 82 | 20.9 km/h | 62% |
| 15 December 2025 Mon |  Partly Cloudy |
-6.5 ° C | -3.6 ° C | -4.4 ° C | % 70 | 24.5 km/h | 0% |
| 16 December 2025 Tue | Partly Cloudy |
-7.7 ° C | -1.4 ° C | -5 ° C | % 66 | 17.3 km/h | 0% |
| 17 December 2025 Wed |  Patchy rain nearby |
-3 ° C | 6 ° C | 3.3 ° C | % 80 | 36.4 km/h | 85% |
| 18 December 2025 Thu |  Light freezing rain |
-3.4 ° C | -1.6 ° C | -0.9 ° C | % 67 | 33.1 km/h | 74% |
| 19 December 2025 Fri |  Moderate rain |
-0.9 ° C | 8.5 ° C | 4 ° C | % 86 | 39.2 km/h | 84% |
| 20 December 2025 Sat | Patchy moderate snow |
-6.5 ° C | -4.3 ° C | -3.9 ° C | % 62 | 28.4 km/h | 67% |
| 21 December 2025 Sun | Patchy rain nearby |
-7 ° C | 5.7 ° C | 2 ° C | % 85 | 33.8 km/h | 76% |
| 22 December 2025 Mon |  Sunny |
-9.3 ° C | -6.1 ° C | -7.6 ° C | % 60 | 20.9 km/h | 0% |
| 23 December 2025 Tue |  Moderate or heavy snow showers |
-8.2 ° C | 3.3 ° C | -0.7 ° C | % 83 | 51.1 km/h | 86% |
| 24 December 2025 Wed | Sunny |
-6.1 ° C | 1.5 ° C | -0.1 ° C | % 65 | 25.2 km/h | 0% |
| 25 December 2025 Thu | Partly Cloudy |
-11.3 ° C | -7.6 ° C | -9 ° C | % 47 | 16.9 km/h | 0% |
| 26 December 2025 Fri | Partly Cloudy |
-10.9 ° C | -8.6 ° C | -9.7 ° C | % 59 | 17.6 km/h | 0% |
| 27 December 2025 Sat | Sunny |
-12.4 ° C | -8.8 ° C | -10.9 ° C | % 60 | 16.9 km/h | 0% |
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