 |
 Current St Catharines Weather Conditions |
Updated January 13th at 9:00 pm |
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| Overcast |
| Temperature: | 6°C |
Dew Point: | -1°C |
| Barometer: | 99.7 kPa |
Wind: | N 79 Km/h |
| Humidity: | 60.7% |
Visibility: | 0 Km |
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| St Catharines Weather Forecast Summary |
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Today
Jan 13th
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Wednesday
Jan 14th
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Thursday
Jan 15th
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Friday
Jan 16th
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Saturday
Jan 17th
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Cloudy |
Cloudy |
Cloudy |
Cloudy |
Mix of rain and snow |
5°C
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4°C
-6°C |
-8°C
-11°C |
0°C
-8°C |
1°C
-5°C |
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| St Catharines Detailed Weather Forecast |
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| Wednesday, January 14th, 2026 |
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Overnight |
Temperature: 4°C |
| Cloudy. Windy at times. |
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Morning |
Temperature: 3°C |
| Cloudy with a slight chance of showers. Showers possibly mixed with wet flurries. Windy at times. |
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Afternoon |
Temperature: -2°C |
| Cloudy with a chance of flurries. Windy at times. |
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Evening |
Temperature: -6°C |
| Cloudy. Windy at times. |
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| Thursday, January 15th, 2026 |
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Overnight |
Temperature: -9°C |
| Cloudy with a chance of flurries. Windy at times. |
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Morning |
Temperature: -10°C |
| Cloudy with a chance of flurries. Windy at times. |
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Afternoon |
Temperature: -9°C |
| Cloudy. Windy at times. |
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Evening |
Temperature: -9°C |
| Clear with cloudy periods. |
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| Friday, January 16th, 2026 |
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Overnight |
Temperature: -6°C |
| Cloudy. Windy at times. |
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Morning |
Temperature: -4°C |
| Cloudy. Windy. |
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Afternoon |
Temperature: -2°C |
| Cloudy with a chance of flurries. Windy. |
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Evening |
Temperature: 0°C |
| Cloudy with a chance of flurries or showers. Windy. |
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| Saturday, January 17th, 2026 |
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Overnight |
Temperature: 0°C |
| Cloudy with a chance of flurries. Windy. |
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Morning |
Temperature: 0°C |
| Cloudy with a slight chance of flurries or showers. Windy at times. |
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Afternoon |
Temperature: -1°C |
| Cloudy with flurries or showers likely. Windy at times. |
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Evening |
Temperature: -4°C |
| Cloudy with a chance of flurries. Windy. |
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| Sunday, January 18th, 2026 |
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Overnight |
Temperature: -6°C |
| Cloudy with flurries likely. Windy. |
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Morning |
Temperature: -7°C |
| Cloudy with a chance of flurries. Windy at times. |
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Afternoon |
Temperature: -9°C |
| Cloudy. Windy at times. |
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Evening |
Temperature: -10°C |
| Cloudy. Windy at times. |
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| Monday, January 19th, 2026 |
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Overnight |
Temperature: -11°C |
| Clear with cloudy periods. Windy at times. |
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Morning |
Temperature: -7°C |
| Cloudy with a chance of flurries. Windy at times. |
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Afternoon |
Temperature: -5°C |
| Cloudy with flurries likely. Windy at times. |
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Evening |
Temperature: -5°C |
| Cloudy with flurries likely. |
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| Tuesday, January 20th, 2026 |
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Overnight |
Temperature: -10°C |
| Cloudy with a chance of flurries. Windy at times. |
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Morning |
Temperature: -13°C |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: -16°C |
| A mix of cloud and sun with a slight chance of flurries. Windy at times. |
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Evening |
Temperature: -20°C |
| Cloudy. |
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| Wednesday, January 21st, 2026 |
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Overnight |
Temperature: -21°C |
| Cloudy. |
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Morning |
Temperature: -15°C |
| Cloudy. |
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Afternoon |
Temperature: -11°C |
| Cloudy. |
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Evening |
Temperature: -15°C |
| Cloudy. |
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