 |
 Current St Catharines Weather Conditions |
Updated February 17th at 8:00 am |
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| mist |
| Temperature: | 3°C |
Dew Point: | 3°C |
| Barometer: | 101.8 kPa |
Wind: | N 14 Km/h |
| Humidity: | 100.0% |
Visibility: | 0 Km |
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| St Catharines Weather Forecast Summary |
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Today
Feb 17th
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Wednesday
Feb 18th
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Thursday
Feb 19th
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Friday
Feb 20th
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Saturday
Feb 21st
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Cloudy |
Mix of rain and snow |
Cloudy |
Cloudy |
Cloudy |
3°C
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1°C
-1°C |
2°C
-2°C |
8°C
1°C |
2°C
0°C |
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| St Catharines Detailed Weather Forecast |
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| Tuesday, February 17th, 2026 |
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Morning |
Temperature: 2°C |
| Cloudy. |
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Afternoon |
Temperature: 1°C |
| Cloudy. |
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Evening |
Temperature: 1°C |
| Cloudy. |
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| Wednesday, February 18th, 2026 |
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Overnight |
Temperature: 1°C |
| Cloudy with a chance of flurries or showers. Windy at times. |
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Morning |
Temperature: 1°C |
| Cloudy with a few flurries or showers. Risk of freezing rain. Windy at times. |
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Afternoon |
Temperature: 1°C |
| Cloudy with flurries or showers likely. Risk of freezing rain. |
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Evening |
Temperature: -1°C |
| Cloudy with a slight chance of flurries. |
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| Thursday, February 19th, 2026 |
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Overnight |
Temperature: -2°C |
| Cloudy. |
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Morning |
Temperature: 1°C |
| Cloudy. |
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Afternoon |
Temperature: 1°C |
| Cloudy. |
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Evening |
Temperature: 2°C |
| Cloudy. |
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| Friday, February 20th, 2026 |
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Overnight |
Temperature: 5°C |
| Cloudy with a chance of showers. Showers possibly mixed with wet flurries. |
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Morning |
Temperature: 8°C |
| Cloudy with a chance of showers. Windy at times. |
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Afternoon |
Temperature: 4°C |
| Cloudy. Windy. |
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Evening |
Temperature: 1°C |
| Cloudy. Windy at times. |
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| Saturday, February 21st, 2026 |
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Overnight |
Temperature: 0°C |
| Cloudy. Windy at times. |
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Morning |
Temperature: 2°C |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 1°C |
| Cloudy. |
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Evening |
Temperature: 0°C |
| Cloudy. |
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| Sunday, February 22nd, 2026 |
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Overnight |
Temperature: -1°C |
| Cloudy with a slight chance of flurries or showers. |
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Morning |
Temperature: -2°C |
| Cloudy with flurries likely. |
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Afternoon |
Temperature: -3°C |
| Cloudy with a chance of flurries. |
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Evening |
Temperature: -3°C |
| Cloudy with a chance of flurries. |
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| Monday, February 23rd, 2026 |
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Overnight |
Temperature: -4°C |
| Cloudy with a chance of flurries. |
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Morning |
Temperature: -3°C |
| Cloudy with a chance of flurries. Windy at times. |
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Afternoon |
Temperature: -5°C |
| Cloudy with a chance of flurries. Windy at times. |
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Evening |
Temperature: -10°C |
| Cloudy with a chance of flurries. Windy at times. |
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| Tuesday, February 24th, 2026 |
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Overnight |
Temperature: -13°C |
| Cloudy with a chance of flurries. Windy at times. |
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Morning |
Temperature: -12°C |
| Cloudy with a slight chance of flurries. Windy at times. |
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Afternoon |
Temperature: -11°C |
| Cloudy. Windy at times. |
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Evening |
Temperature: -14°C |
| Cloudy. |
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| Wednesday, February 25th, 2026 |
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Overnight |
Temperature: -13°C |
| Cloudy. |
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Morning |
Temperature: -10°C |
| Cloudy with a chance of flurries. Windy at times. |
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Afternoon |
Temperature: -6°C |
| Cloudy with a few flurries. Windy at times. |
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Evening |
Temperature: -7°C |
| Cloudy with a few flurries. Windy at times. |
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