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St. Catharines Ontario Canada 15 Day Weather Forecast

St. Catharines Ontario Canada 15 Day Weather Forecast
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15 Day Weather Forecast for St. Catharines

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15 Day Weather Forecast for St. Catharines


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Friday
05 December 2025

St. Catharines
Weather St. Catharines Friday 05 December 2025: Partly Cloudy Temperature

Partly Cloudy
Temperature : -1°C 30°F | -11°C 12°F
Wind : Southwest 19 Km/h12 mph
Cloud cover : 30% Humidity : 76%
Saturday
06 December 2025

St. Catharines
Weather St. Catharines Saturday 06 December 2025: Overcast Temperature

Overcast
Temperature : 2°C 35°F | -1°C 31°F
Wind : South-South-West 20 Km/h13 mph
Cloud cover : 94% Humidity : 84%
Sunday
07 December 2025

St. Catharines
Weather St. Catharines Sunday 07 December 2025: Overcast Temperature

Overcast
Temperature : -1°C 30°F | -6°C 22°F
Wind : East-North-East 12 Km/h7 mph
Cloud cover : 100% Humidity : 74%
Monday
08 December 2025

St. Catharines
Weather St. Catharines Monday 08 December 2025: Sunny Temperature

Sunny
Temperature : -5°C 22°F | -9°C 16°F
Wind : North-North-West 16 Km/h10 mph
Cloud cover : 3% Humidity : 71%
Tuesday
09 December 2025

St. Catharines
Weather St. Catharines Tuesday 09 December 2025: Cloudy Wind Temperature

Cloudy
Temperature : -0°C 33°F | -7°C 20°F
Wind : Southwest 27 Km/h17 mph
Cloud cover : 88% Humidity : 74%
 
   
Wednesday
10 December 2025

St. Catharines
Weather St. Catharines Wednesday 10 December 2025: Cloudy Wind Temperature

Cloudy
Temperature : 4°C 40°F | 1°C 35°F
Wind : South-South-West 30 Km/h19 mph
Cloud cover : 94% Humidity : 79%
Thursday
11 December 2025

St. Catharines
Weather St. Catharines Thursday 11 December 2025: Sunny Wind Temperature

Sunny
Temperature : 2°C 36°F | -5°C 24°F
Wind : West-Nord-West 28 Km/h18 mph
Cloud cover : 5% Humidity : 56%
Friday
12 December 2025

St. Catharines
Weather St. Catharines Friday 12 December 2025: Light freezing rain Temperature

Light freezing rain
Temperature : -1°C 29°F | -4°C 25°F
Wind : West 11 Km/h7 mph
Cloud cover : 53% Humidity : 67%
Saturday
13 December 2025

St. Catharines
Weather St. Catharines Saturday 13 December 2025: Cloudy Temperature

Cloudy
Temperature : -1°C 31°F | -3°C 27°F
Wind : West-Nord-West 10 Km/h6 mph
Cloud cover : 73% Humidity : 73%
Sunday
14 December 2025

St. Catharines
Weather St. Catharines Sunday 14 December 2025: Sunny Wind Temperature

Sunny
Temperature : 4°C 39°F | -2°C 28°F
Wind : Southwest 26 Km/h16 mph
Cloud cover : 46% Humidity : 63%
Monday
15 December 2025

St. Catharines
Weather St. Catharines Monday 15 December 2025: Light snow showers Wind Temperature

Light snow showers
Temperature : -1°C 30°F | -4°C 25°F
Wind : West-Nord-West 30 Km/h19 mph
Cloud cover : 76% Humidity : 65%
Tuesday
16 December 2025

St. Catharines
Weather St. Catharines Tuesday 16 December 2025: Overcast Temperature

Overcast
Temperature : -3°C 26°F | -5°C 22°F
Wind : North-North-West 10 Km/h6 mph
Cloud cover : 68% Humidity : 56%
Wednesday
17 December 2025

St. Catharines
Weather St. Catharines Wednesday 17 December 2025: Overcast Temperature

Overcast
Temperature : -0°C 31°F | -3°C 27°F
Wind : East 3 Km/h2 mph
Cloud cover : 100% Humidity : 87%
Thursday
18 December 2025

St. Catharines
Weather St. Catharines Thursday 18 December 2025: Overcast Wind Temperature

Overcast
Temperature : -0°C 32°F | -3°C 27°F
Wind : East-North-East 25 Km/h15 mph
Cloud cover : 100% Humidity : 70%






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