 |
 Current St Catharines Weather Conditions |
Updated September 4th at 2:00 pm |
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| Mostly Cloudy |
| Temperature: | 16°C |
Dew Point: | 13°C |
| Barometer: | 100.6 kPa |
Wind: | N 24 Km/h |
| Humidity: | 82.4% |
Visibility: | 0 Km |
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| St Catharines Weather Forecast Summary |
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Today
Sep 4th
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Friday
Sep 5th
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Saturday
Sep 6th
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Sunday
Sep 7th
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Monday
Sep 8th
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 |
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Showers |
Showers |
Cloudy |
Cloudy |
Mostly Sunny |
18°C
|
26°C
12°C |
19°C
13°C |
17°C
10°C |
19°C
9°C |
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| St Catharines Detailed Weather Forecast |
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| Thursday, September 4th, 2025 |
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Afternoon |
Temperature: 17°C |
| Cloudy. Windy at times. |
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Evening |
Temperature: 14°C |
| A mix of cloudy and clear skies. |
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| Friday, September 5th, 2025 |
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Overnight |
Temperature: 14°C |
| Clear. Windy at times. |
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Morning |
Temperature: 24°C |
| Cloudy. Windy. |
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Afternoon |
Temperature: 19°C |
| Cloudy with showers likely. Windy. |
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Evening |
Temperature: 15°C |
| Cloudy. |
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| Saturday, September 6th, 2025 |
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Overnight |
Temperature: 14°C |
| Cloudy. |
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Morning |
Temperature: 18°C |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 18°C |
| Cloudy. Windy at times. |
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Evening |
Temperature: 14°C |
| A mix of cloudy and clear skies. |
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| Sunday, September 7th, 2025 |
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Overnight |
Temperature: 14°C |
| A mix of cloudy and clear skies with a chance of showers. Windy at times. |
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Morning |
Temperature: 17°C |
| Cloudy with a chance of showers. Windy at times. |
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Afternoon |
Temperature: 16°C |
| Sunny with cloudy periods. Windy at times. |
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Evening |
Temperature: 11°C |
| Clear. |
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| Monday, September 8th, 2025 |
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Overnight |
Temperature: 10°C |
| Clear with cloudy periods. |
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Morning |
Temperature: 18°C |
| Sunny. |
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Afternoon |
Temperature: 17°C |
| Mostly sunny. Windy at times. |
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Evening |
Temperature: 13°C |
| Clear. |
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| Tuesday, September 9th, 2025 |
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Overnight |
Temperature: 12°C |
| Clear. |
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Morning |
Temperature: 22°C |
| Sunny. |
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Afternoon |
Temperature: 22°C |
| A mix of sun and cloud. |
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Evening |
Temperature: 18°C |
| Cloudy. Windy at times. |
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| Wednesday, September 10th, 2025 |
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Overnight |
Temperature: 17°C |
| Cloudy. Windy at times. |
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Morning |
Temperature: 24°C |
| Sunny with cloudy periods. Windy at times. |
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Afternoon |
Temperature: 22°C |
| Cloudy. |
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Evening |
Temperature: 19°C |
| Cloudy. Windy at times. |
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| Thursday, September 11th, 2025 |
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Overnight |
Temperature: 14°C |
| Cloudy with showers likely. Windy at times. |
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Morning |
Temperature: 15°C |
| Cloudy with showers likely. Windy at times. |
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Afternoon |
Temperature: 16°C |
| Sunny. Windy at times. |
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Evening |
Temperature: 13°C |
| Clear. Windy at times. |
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| Friday, September 12th, 2025 |
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Overnight |
Temperature: 11°C |
| Clear. |
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Morning |
Temperature: 17°C |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 16°C |
| Sunny. |
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Evening |
Temperature: 11°C |
| Clear. |
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