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
| 21 December 2025 Sun 3.4 ° C ( 38.1°F )  Clear |
Feels Like : -3.2 ° C / 26.2°F Humidity : % 70 Pressure : 1011 mb Wind Speed : 45.7 kmph / 28.4 miles from W 
Visibility : 2 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
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 |
|---|---|---|---|---|---|---|---|
| 21 December 2025 Sun |  Overcast |
-4.2 ° C | -1.6 ° C | -1.9 ° C | % 67 | 45.7 km/h | 0% |
| 22 December 2025 Mon |  Partly Cloudy |
-4.6 ° C | 2.1 ° C | -1.4 ° C | % 74 | 23.8 km/h | 0% |
| 23 December 2025 Tue |  Moderate rain |
0.3 ° C | 3.1 ° C | 1.9 ° C | % 91 | 30.6 km/h | 86% |
| 24 December 2025 Wed |  Patchy rain nearby |
1 ° C | 2.3 ° C | 1.8 ° C | % 84 | 28.4 km/h | 83% |
| 25 December 2025 Thu | Patchy rain nearby |
1.4 ° C | 3.2 ° C | 2.2 ° C | % 91 | 15.5 km/h | 71% |
| 26 December 2025 Fri | Patchy rain nearby |
-4.7 ° C | 5 ° C | 1.7 ° C | % 87 | 41.8 km/h | 86% |
| 27 December 2025 Sat | Sunny |
-8.3 ° C | -7.3 ° C | -7.4 ° C | % 60 | 27.4 km/h | 0% |
| 28 December 2025 Sun | Sunny |
-7 ° C | -1.3 ° C | -4.1 ° C | % 55 | 16.2 km/h | 0% |
| 29 December 2025 Mon | Patchy rain nearby |
0.6 ° C | 3.6 ° C | 2.7 ° C | % 77 | 25.6 km/h | 89% |
| 30 December 2025 Tue | Patchy rain nearby |
1.8 ° C | 3.5 ° C | 3 ° C | % 88 | 18.7 km/h | 89% |
| 31 December 2025 Wed | Partly Cloudy |
0.6 ° C | 2.9 ° C | 1.6 ° C | % 79 | 21.6 km/h | 0% |
| 01 January 2026 Thu | Partly Cloudy |
1.2 ° C | 4.4 ° C | 2.9 ° C | % 81 | 12.2 km/h | 0% |
| 02 January 2026 Fri |  Cloudy |
2.9 ° C | 4.9 ° C | 4 ° C | % 93 | 26.3 km/h | 0% |
| 03 January 2026 Sat | Patchy rain nearby |
5.9 ° C | 8.2 ° C | 7 ° C | % 87 | 13.3 km/h | 87% |
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