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 St Catharines Weather Forecast Summary |
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Today
Oct 21st
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Wednesday
Oct 22nd
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Thursday
Oct 23rd
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Friday
Oct 24th
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Saturday
Oct 25th
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Showers |
Showers |
Cloudy |
Cloudy |
Cloudy |
59°F
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50°F
44°F |
51°F
44°F |
52°F
41°F |
53°F
41°F |
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| St Catharines Detailed Weather Forecast |
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| Tuesday, October 21st, 2025 |
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Overnight |
Temperature: 50°F |
| Clear. Windy at times. |
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Morning |
Temperature: 55°F |
| Cloudy with a chance of showers. Windy. |
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Afternoon |
Temperature: 56°F |
| Sunny with cloudy periods with a chance of showers. Windy at times. |
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Evening |
Temperature: 49°F |
| Cloudy with showers likely. Windy at times. |
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| Wednesday, October 22nd, 2025 |
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Overnight |
Temperature: 45°F |
| Cloudy with periods of rain. Windy at times. |
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Morning |
Temperature: 49°F |
| Cloudy with showers likely. Windy at times. |
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Afternoon |
Temperature: 49°F |
| Cloudy with showers likely. Windy. |
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Evening |
Temperature: 46°F |
| Cloudy with a chance of showers. Windy at times. |
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| Thursday, October 23rd, 2025 |
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Overnight |
Temperature: 45°F |
| Cloudy. Windy at times. |
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Morning |
Temperature: 49°F |
| Cloudy with sunny periods with a slight chance of showers. Windy at times. |
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Afternoon |
Temperature: 48°F |
| Cloudy with sunny periods with a chance of showers. Windy at times. |
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Evening |
Temperature: 45°F |
| Clear with cloudy periods. Windy at times. |
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| Friday, October 24th, 2025 |
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Overnight |
Temperature: 42°F |
| Clear with cloudy periods. |
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Morning |
Temperature: 49°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 49°F |
| A mix of cloud and sun. Windy at times. |
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Evening |
Temperature: 43°F |
| Clear. |
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| Saturday, October 25th, 2025 |
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Overnight |
Temperature: 41°F |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 50°F |
| A mix of cloud and sun. |
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Afternoon |
Temperature: 49°F |
| Cloudy. |
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Evening |
Temperature: 44°F |
| Cloudy. |
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| Sunday, October 26th, 2025 |
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Overnight |
Temperature: 42°F |
| Cloudy. |
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Morning |
Temperature: 52°F |
| A mix of cloud and sun. |
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Afternoon |
Temperature: 51°F |
| A mix of cloud and sun. Windy at times. |
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Evening |
Temperature: 44°F |
| Clear. |
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| Monday, October 27th, 2025 |
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Overnight |
Temperature: 41°F |
| Clear. Windy at times. |
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Morning |
Temperature: 51°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 48°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 42°F |
| Clear. Windy at times. |
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| Tuesday, October 28th, 2025 |
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Overnight |
Temperature: 38°F |
| Clear. Windy at times. |
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Morning |
Temperature: 50°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 51°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 45°F |
| Cloudy with showers likely. Windy at times. |
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