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
| 02 May 2026 Sat 6.1 ° C ( 43°F )  Partly cloudy |
Feels Like : 3.4 ° C / 38.2°F Humidity : % 61 Pressure : 1016 mb Wind Speed : 13 kmph / 8.1 miles from WNW 
Visibility : 24 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
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 |
|---|---|---|---|---|---|---|---|
| 02 May 2026 Sat |  Patchy rain nearby |
0.3 ° C | 11 ° C | 5.5 ° C | % 68 | 18.7 km/h | 88% |
| 03 May 2026 Sun | Patchy rain nearby |
2.4 ° C | 10.9 ° C | 6.9 ° C | % 66 | 36.7 km/h | 82% |
| 04 May 2026 Mon | Partly Cloudy |
8.2 ° C | 14.6 ° C | 11.3 ° C | % 78 | 34.6 km/h | 0% |
| 05 May 2026 Tue |  Heavy rain |
5.5 ° C | 12.7 ° C | 10.3 ° C | % 94 | 33.8 km/h | 86% |
| 06 May 2026 Wed |  Moderate rain |
4.5 ° C | 11.2 ° C | 6.8 ° C | % 79 | 20.2 km/h | 73% |
| 07 May 2026 Thu | Patchy rain nearby |
4.6 ° C | 6.5 ° C | 6.2 ° C | % 83 | 28.1 km/h | 56% |
| 08 May 2026 Fri |  Sunny |
4.7 ° C | 10.4 ° C | 7.6 ° C | % 65 | 36.7 km/h | 0% |
| 09 May 2026 Sat | Sunny |
6 ° C | 12.8 ° C | 9.3 ° C | % 71 | 20.2 km/h | 0% |
| 10 May 2026 Sun | Patchy rain nearby |
7.8 ° C | 11.5 ° C | 10 ° C | % 81 | 33.1 km/h | 84% |
| 11 May 2026 Mon | Sunny |
6.1 ° C | 9.9 ° C | 7.8 ° C | % 75 | 20.5 km/h | 0% |
| 12 May 2026 Tue | Partly Cloudy |
4.9 ° C | 12 ° C | 8.2 ° C | % 73 | 14 km/h | 0% |
| 13 May 2026 Wed | Sunny |
5.8 ° C | 13.8 ° C | 9.3 ° C | % 69 | 13.3 km/h | 0% |
| 14 May 2026 Thu | Patchy rain nearby |
8.6 ° C | 14.5 ° C | 11.3 ° C | % 82 | 42.5 km/h | 83% |
| 15 May 2026 Fri | Patchy rain nearby |
8.2 ° C | 16.4 ° C | 13 ° C | % 79 | 33.8 km/h | 69% |
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