 |
 Current St Catharines Weather Conditions |
Updated December 21st at 6:00 pm |
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| Overcast |
| Temperature: | -4°C |
Dew Point: | -9°C |
| Barometer: | 102.9 kPa |
Wind: | N 48 Km/h |
| Humidity: | 67.7% |
Visibility: | 0 Km |
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| St Catharines Weather Forecast Summary |
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Today
Dec 21st
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Monday
Dec 22nd
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Tuesday
Dec 23rd
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Wednesday
Dec 24th
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Thursday
Dec 25th
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 |
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Cloudy |
Cloudy |
Mix of rain and snow |
Cloudy |
Cloudy |
-2°C
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1°C
-4°C |
2°C
0°C |
2°C
0°C |
6°C
2°C |
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| St Catharines Detailed Weather Forecast |
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| Sunday, December 21st, 2025 |
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Evening |
Temperature: -4°C |
| Clear with cloudy periods. |
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| Monday, December 22nd, 2025 |
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Overnight |
Temperature: -4°C |
| Clear. |
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Morning |
Temperature: 0°C |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 1°C |
| Cloudy with a chance of flurries or showers. Risk of freezing rain. Windy at times. |
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Evening |
Temperature: 0°C |
| Cloudy with a slight chance of flurries or showers. |
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| Tuesday, December 23rd, 2025 |
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Overnight |
Temperature: 0°C |
| Cloudy with flurries or showers likely. |
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Morning |
Temperature: 1°C |
| Cloudy with flurries or showers likely. |
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Afternoon |
Temperature: 2°C |
| Cloudy. |
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Evening |
Temperature: 1°C |
| Cloudy. Windy at times. |
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| Wednesday, December 24th, 2025 |
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Overnight |
Temperature: 1°C |
| Cloudy. Windy at times. |
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Morning |
Temperature: 1°C |
| A mix of cloud and sun. |
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Afternoon |
Temperature: 1°C |
| Cloudy. |
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Evening |
Temperature: 1°C |
| Cloudy. |
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| Thursday, December 25th, 2025 |
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Overnight |
Temperature: 3°C |
| Cloudy. |
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Morning |
Temperature: 3°C |
| Cloudy. |
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Afternoon |
Temperature: 3°C |
| Cloudy. |
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Evening |
Temperature: 5°C |
| Cloudy with a chance of showers. |
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| Friday, December 26th, 2025 |
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Overnight |
Temperature: 6°C |
| Cloudy with showers. |
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Morning |
Temperature: 2°C |
| Cloudy with showers likely. Showers possibly mixed with wet flurries. Windy. |
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Afternoon |
Temperature: -4°C |
| A mix of cloud and sun. Windy at times. |
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Evening |
Temperature: -7°C |
| Clear with cloudy periods. Windy at times. |
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| Saturday, December 27th, 2025 |
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Overnight |
Temperature: -8°C |
| A mix of clear and cloudy skies. |
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Morning |
Temperature: -5°C |
| A mix of sun and cloud. |
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Afternoon |
Temperature: -2°C |
| Cloudy. |
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Evening |
Temperature: 0°C |
| Cloudy. |
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| Sunday, December 28th, 2025 |
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Overnight |
Temperature: 1°C |
| Cloudy. |
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Morning |
Temperature: 3°C |
| Sunny. |
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Afternoon |
Temperature: 1°C |
| Cloudy. |
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Evening |
Temperature: 0°C |
| Cloudy. |
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| Monday, December 29th, 2025 |
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Overnight |
Temperature: 0°C |
| Cloudy. |
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Morning |
Temperature: 0°C |
| Cloudy. |
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Afternoon |
Temperature: 0°C |
| Cloudy. |
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Evening |
Temperature: -1°C |
| Cloudy. |
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