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 St Catharines Weather Forecast Summary |
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Today
Jul 3rd
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Friday
Jul 4th
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Saturday
Jul 5th
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Sunday
Jul 6th
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Monday
Jul 7th
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Mostly Cloudy with Showers |
Mix of Cloud and Sun |
Cloudy |
Cloudy |
Cloudy |
79°F
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81°F
58°F |
84°F
66°F |
87°F
66°F |
72°F
62°F |
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| St Catharines Detailed Weather Forecast |
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| Thursday, July 3rd, 2025 |
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Overnight |
Temperature: 64°F |
| Clear with a few showers. Slight chance of a thunderstorm. |
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Morning |
Temperature: 75°F |
| Mostly sunny with a slight chance of showers or thundershowers. |
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Afternoon |
Temperature: 76°F |
| Sunny with cloudy periods. Slight chance of a thunderstorm. |
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Evening |
Temperature: 63°F |
| Clear. |
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| Friday, July 4th, 2025 |
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Overnight |
Temperature: 61°F |
| Clear. |
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Morning |
Temperature: 78°F |
| A mix of cloud and sun. |
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Afternoon |
Temperature: 76°F |
| A mix of cloud and sun. |
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Evening |
Temperature: 67°F |
| A mix of cloudy and clear skies. |
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| Saturday, July 5th, 2025 |
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Overnight |
Temperature: 69°F |
| Cloudy. |
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Morning |
Temperature: 81°F |
| Cloudy. Chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 81°F |
| A mix of cloud and sun with a slight chance of showers or thundershowers. Windy at times. |
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Evening |
Temperature: 73°F |
| A mix of cloudy and clear skies with a slight chance of showers. |
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| Sunday, July 6th, 2025 |
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Overnight |
Temperature: 74°F |
| Clear. Windy at times. |
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Morning |
Temperature: 86°F |
| Cloudy. Slight chance of a thunderstorm. Windy. |
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Afternoon |
Temperature: 83°F |
| Cloudy. Chance of a thunderstorm. Windy. |
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Evening |
Temperature: 71°F |
| A mix of cloudy and clear skies. Chance of a thunderstorm. Windy at times. |
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| Monday, July 7th, 2025 |
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Overnight |
Temperature: 63°F |
| Cloudy. |
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Morning |
Temperature: 68°F |
| Cloudy. |
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Afternoon |
Temperature: 71°F |
| Sunny with cloudy periods. |
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Evening |
Temperature: 63°F |
| A mix of cloudy and clear skies. |
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| Tuesday, July 8th, 2025 |
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Overnight |
Temperature: 63°F |
| Cloudy. |
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Morning |
Temperature: 77°F |
| Cloudy. |
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Afternoon |
Temperature: 76°F |
| Sunny with cloudy periods. Windy at times. |
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Evening |
Temperature: 64°F |
| Clear. |
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| Wednesday, July 9th, 2025 |
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Overnight |
Temperature: 64°F |
| Cloudy. |
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Morning |
Temperature: 79°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 77°F |
| Cloudy. |
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Evening |
Temperature: 67°F |
| Clear. |
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| Thursday, July 10th, 2025 |
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Overnight |
Temperature: 69°F |
| Clear. |
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Morning |
Temperature: 86°F |
| A mix of cloud and sun. Slight chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 87°F |
| A mix of sun and cloud. |
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Evening |
Temperature: 78°F |
| Clear. Slight chance of a thunderstorm. Windy at times. |
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