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
-10.2 ° C
( 13.6°F )
Clear
Clear 		Feels Like : -16.3 ° C / 2.6°F
Humidity : % 72
Pressure : 1025 mb
Wind Speed : 12.6 kmph / 7.8 miles from SS
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
05 December 2025 Fri Partly Cloudy  Partly Cloudy -10.6 ° C 0 ° C -4.4 ° C % 73 22 km/h 0%
06 December 2025 Sat Overcast  Overcast -0.2 ° C 2.5 ° C 0.9 ° C % 83 33.1 km/h 0%
07 December 2025 Sun Moderate or heavy snow showers Moderate or heavy snow showers -2.6 ° C -1.5 ° C -1.7 ° C % 82 35.3 km/h 79%
08 December 2025 Mon Moderate or heavy snow showers Moderate or heavy snow showers -7.3 ° C -5.2 ° C -5.9 ° C % 77 33.1 km/h 88%
09 December 2025 Tue Patchy moderate snow Patchy moderate snow -7 ° C 1.1 ° C -2.3 ° C % 79 45.4 km/h 70%
10 December 2025 Wed Patchy rain nearby Patchy rain nearby 3.6 ° C 5.7 ° C 4.4 ° C % 79 42.1 km/h 89%
11 December 2025 Thu Blowing snow Blowing snow -3 ° C -2.3 ° C -1.9 ° C % 68 40 km/h 86%
12 December 2025 Fri Light freezing rain Light freezing rain -3 ° C -0.9 ° C -2.1 ° C % 66 21.2 km/h 0%
13 December 2025 Sat Light freezing rain Light freezing rain -2.5 ° C -0.2 ° C -1.4 ° C % 73 30.2 km/h 89%
14 December 2025 Sun Partly Cloudy  Partly Cloudy -1 ° C 5.2 ° C 2.2 ° C % 68 46.4 km/h 0%
15 December 2025 Mon Blowing snow Blowing snow -2.8 ° C -1.2 ° C -2.1 ° C % 60 45.4 km/h 0%
16 December 2025 Tue Partly Cloudy  Partly Cloudy -3.8 ° C -3.1 ° C -3.3 ° C % 57 25.9 km/h 0%
17 December 2025 Wed Light freezing rain Light freezing rain -2.6 ° C -0.1 ° C -1 ° C % 81 15.8 km/h 63%
18 December 2025 Thu Blizzard Blizzard -0.2 ° C 0.9 ° C 0.4 ° C % 91 40.7 km/h 77%
Weather forecasts are usually fully updated every 3 hours.

Add a link to your web page; copy and paste this html to your web page

St. Catharines Airport hotel prices and location on the map