 |
 St Catharines Weather Forecast Summary |
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Today
Aug 28th
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Friday
Aug 29th
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Saturday
Aug 30th
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Sunday
Aug 31st
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Monday
Sep 1st
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Showers |
Mix of Cloud and Sun |
Mix of Cloud and Sun |
Mix of Cloud and Sun |
Sunny |
22°C
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19°C
12°C |
21°C
11°C |
24°C
13°C |
27°C
14°C |
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| St Catharines Detailed Weather Forecast |
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| Thursday, August 28th, 2025 |
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Evening |
Temperature: 14°C |
| Cloudy with showers likely. |
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| Friday, August 29th, 2025 |
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Overnight |
Temperature: 13°C |
| A mix of cloudy and clear skies with a slight chance of showers. |
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Morning |
Temperature: 17°C |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 17°C |
| Sunny with cloudy periods. |
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Evening |
Temperature: 13°C |
| Clear. |
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| Saturday, August 30th, 2025 |
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Overnight |
Temperature: 11°C |
| Clear. |
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Morning |
Temperature: 20°C |
| Sunny with cloudy periods. |
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Afternoon |
Temperature: 19°C |
| A mix of sun and cloud. |
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Evening |
Temperature: 15°C |
| A mix of clear and cloudy skies. |
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| Sunday, August 31st, 2025 |
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Overnight |
Temperature: 14°C |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 23°C |
| Sunny. |
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Afternoon |
Temperature: 22°C |
| Mostly sunny. |
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Evening |
Temperature: 16°C |
| Clear. |
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| Monday, September 1st, 2025 |
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Overnight |
Temperature: 15°C |
| Clear. |
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Morning |
Temperature: 25°C |
| Sunny. |
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Afternoon |
Temperature: 24°C |
| Sunny. |
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Evening |
Temperature: 18°C |
| Clear. |
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| Tuesday, September 2nd, 2025 |
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Overnight |
Temperature: 19°C |
| Cloudy. |
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Morning |
Temperature: 26°C |
| Mostly sunny. |
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Afternoon |
Temperature: 24°C |
| Sunny with cloudy periods. |
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Evening |
Temperature: 20°C |
| Cloudy. |
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| Wednesday, September 3rd, 2025 |
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Overnight |
Temperature: 19°C |
| Cloudy. |
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Morning |
Temperature: 22°C |
| Cloudy. |
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Afternoon |
Temperature: 18°C |
| Cloudy with showers likely. |
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Evening |
Temperature: 16°C |
| Cloudy with showers likely. |
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| Thursday, September 4th, 2025 |
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Overnight |
Temperature: 17°C |
| Cloudy with clear periods with a chance of showers. Windy at times. |
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Morning |
Temperature: 20°C |
| Cloudy with a chance of showers. Slight chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 19°C |
| Cloudy with showers likely. Chance of a thunderstorm. |
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Evening |
Temperature: 17°C |
| A mix of cloudy and clear skies. |
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| Friday, September 5th, 2025 |
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Overnight |
Temperature: 17°C |
| Cloudy with a slight chance of showers. |
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Morning |
Temperature: 17°C |
| Cloudy with showers. |
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Afternoon |
Temperature: 15°C |
| Sunny with cloudy periods with showers. Windy at times. |
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Evening |
Temperature: 14°C |
| Clear. Windy at times. |
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