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
| 14 March 2026 Sat -0.2 ° C ( 31.6°F )  Cloudy |
Feels Like : -7.7 ° C / 18.2°F Humidity : % 77 Pressure : 1013 mb Wind Speed : 40 kmph / 24.8 miles from WNW 
Visibility : 10 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 |
|---|---|---|---|---|---|---|---|
| 14 March 2026 Sat |  Overcast |
-1.6 ° C | 1.8 ° C | -0.3 ° C | % 74 | 52.6 km/h | 0% |
| 15 March 2026 Sun | Overcast |
-1.5 ° C | 5 ° C | 1.9 ° C | % 81 | 42.5 km/h | 0% |
| 16 March 2026 Mon |  Heavy rain |
0.8 ° C | 18.5 ° C | 10.2 ° C | % 88 | 48.6 km/h | 82% |
| 17 March 2026 Tue |  Blowing snow |
-6.1 ° C | -4.4 ° C | -4.5 ° C | % 64 | 46.4 km/h | 75% |
| 18 March 2026 Wed |  Light freezing rain |
-5.8 ° C | -0.4 ° C | -3.7 ° C | % 61 | 24.5 km/h | 73% |
| 19 March 2026 Thu |  Patchy rain nearby |
0.1 ° C | 3.4 ° C | 1.7 ° C | % 91 | 29.9 km/h | 80% |
| 20 March 2026 Fri | Light freezing rain |
-0.4 ° C | 1.1 ° C | 0.4 ° C | % 71 | 16.9 km/h | 83% |
| 21 March 2026 Sat | Cloudy |
-1.3 ° C | 4.3 ° C | 1.3 ° C | % 70 | 25.9 km/h | 0% |
| 22 March 2026 Sun |  Sunny |
-3 ° C | -0.3 ° C | -1.4 ° C | % 48 | 26.6 km/h | 0% |
| 23 March 2026 Mon |  Partly Cloudy |
-4.9 ° C | 3 ° C | -0.9 ° C | % 52 | 27 km/h | 0% |
| 24 March 2026 Tue | Patchy rain nearby |
1.9 ° C | 15.2 ° C | 8.2 ° C | % 84 | 34.6 km/h | 81% |
| 25 March 2026 Wed | Sunny |
-1.8 ° C | 2.2 ° C | 0.7 ° C | % 56 | 35.3 km/h | 0% |
| 26 March 2026 Thu |  Patchy moderate snow |
-3.2 ° C | 1.1 ° C | -0.7 ° C | % 51 | 31.7 km/h | 60% |
| 27 March 2026 Fri | Patchy rain nearby |
0.1 ° C | 8 ° C | 4.5 ° C | % 92 | 28.4 km/h | 82% |
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