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
| 24 June 2026 Wed 18.2 ° C ( 64.8°F )  Partly cloudy |
Feels Like : 18.2 ° C / 64.8°F Humidity : % 68 Pressure : 1017 mb Wind Speed : 13 kmph / 8.1 miles from NW 
Visibility : 24 km Precipitation (rainfall) : 0 mm Cloud (%) : 50 |
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 |
|---|---|---|---|---|---|---|---|
| 23 June 2026 Tue | Partly Cloudy |
12.7 ° C | 26.5 ° C | 18.9 ° C | % 71 | 17.6 km/h | 8% |
| 24 June 2026 Wed |  Patchy rain nearby |
12.5 ° C | 20.4 ° C | 16.7 ° C | % 74 | 20.2 km/h | 36% |
| 25 June 2026 Thu |  Moderate rain |
14.6 ° C | 19 ° C | 16.3 ° C | % 93 | 17.6 km/h | 91% |
| 26 June 2026 Fri | Patchy rain nearby |
14.1 ° C | 18.7 ° C | 16.2 ° C | % 89 | 9.7 km/h | 32% |
| 27 June 2026 Sat |  Smoky haze |
14 ° C | 20.2 ° C | 17.2 ° C | % 82 | 13 km/h | 10% |
| 28 June 2026 Sun |  Sunny |
15.1 ° C | 21.4 ° C | 17.3 ° C | % 78 | 10.8 km/h | 9% |
| 29 June 2026 Mon | Sunny |
15.5 ° C | 22.4 ° C | 19.1 ° C | % 74 | 14 km/h | 7% |
| 30 June 2026 Tue | Sunny |
17 ° C | 26.7 ° C | 22.2 ° C | % 78 | 23.4 km/h | 8% |
| 01 July 2026 Wed | Sunny |
20.8 ° C | 26.8 ° C | 23.8 ° C | % 83 | 24.8 km/h | 13% |
| 02 July 2026 Thu | Patchy rain nearby |
20.5 ° C | 27.4 ° C | 23.9 ° C | % 85 | 14.4 km/h | 69% |
| 03 July 2026 Fri | Patchy rain nearby |
21.5 ° C | 27.6 ° C | 24.1 ° C | % 84 | 23.4 km/h | 61% |
| 04 July 2026 Sat | Patchy rain nearby |
20.5 ° C | 26 ° C | 22.8 ° C | % 81 | 13.7 km/h | 43% |
| 05 July 2026 Sun | Patchy rain nearby |
17.3 ° C | 20 ° C | 19 ° C | % 90 | 18.7 km/h | 76% |
| 06 July 2026 Mon | Sunny |
15.9 ° C | 24.2 ° C | 19.6 ° C | % 70 | 18 km/h | 6% |
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