St. Catharines Airport (YCM) 15 Day Weather Forecast, Saint Catharines Canada
Current weather conditions and 15 day weather forecast for St. Catharines Airport in Saint Catharines, 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 YCM
| 05 December 2025 Fri -4.8 ° C ( 23.4°F )  Partly Cloudy |
Feels Like : -11.6 ° C / 11.2°F Humidity : % 68 Pressure : 1019 mb Wind Speed : 21.6 kmph / 13.4 miles from S 
Visibility : 24 km Precipitation (rainfall) : 0 mm Cloud (%) : 25 |
15-day weather forecast for St. Catharines Airport, Saint Catharines, Canada
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 05 December 2025 Fri |  Sunny |
-11.6 ° C | 2.4 ° C | -5 ° C | % 66 | 23 km/h | 0% |
| 06 December 2025 Sat |  Overcast |
-0.9 ° C | 2.6 ° C | 0.8 ° C | % 87 | 30.6 km/h | 0% |
| 07 December 2025 Sun |  Moderate or heavy snow showers |
-3.7 ° C | -1.5 ° C | -1.8 ° C | % 79 | 29.2 km/h | 84% |
| 08 December 2025 Mon | Moderate or heavy snow showers |
-7.2 ° C | -5.7 ° C | -5.8 ° C | % 74 | 32.4 km/h | 87% |
| 09 December 2025 Tue |  Blizzard |
-7 ° C | 1 ° C | -2.2 ° C | % 83 | 36.7 km/h | 58% |
| 10 December 2025 Wed |  Patchy rain nearby |
2.3 ° C | 4.7 ° C | 3.7 ° C | % 94 | 43.2 km/h | 75% |
| 11 December 2025 Thu |  Blowing snow |
-1 ° C | 1.8 ° C | 1.3 ° C | % 73 | 40.3 km/h | 0% |
| 12 December 2025 Fri | Partly Cloudy |
-2.4 ° C | -0.6 ° C | -1.6 ° C | % 64 | 37.1 km/h | 0% |
| 13 December 2025 Sat | Blowing snow |
-3.1 ° C | -0.2 ° C | -1.7 ° C | % 71 | 43.2 km/h | 0% |
| 14 December 2025 Sun | Partly Cloudy |
-1.8 ° C | -0 ° C | -0.9 ° C | % 73 | 30.2 km/h | 0% |
| 15 December 2025 Mon | Moderate or heavy snow showers |
-1.3 ° C | 1.7 ° C | 0.7 ° C | % 76 | 20.5 km/h | 77% |
| 16 December 2025 Tue | Patchy rain nearby |
3.1 ° C | 6.3 ° C | 4.9 ° C | % 95 | 35.3 km/h | 88% |
| 17 December 2025 Wed |  Moderate rain |
1.7 ° C | 2.5 ° C | 2.3 ° C | % 97 | 30.6 km/h | 88% |
| 18 December 2025 Thu | Patchy rain nearby |
2.8 ° C | 4.9 ° C | 3.6 ° C | % 94 | 29.9 km/h | 81% |
Add a link to your web page; copy and paste this html to your web page
