 |
 Current St Catharines Weather Conditions |
Updated July 6th at 7:00 pm |
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| Mostly Cloudy |
| Temperature: | 24°C |
Dew Point: | 21°C |
| Barometer: | 101.6 kPa |
Wind: | N 24 Km/h |
| Humidity: | 83.3% |
Visibility: | 0 Km |
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| St Catharines Weather Forecast Summary |
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Today
Jul 6th
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Tuesday
Jul 7th
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Wednesday
Jul 8th
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Thursday
Jul 9th
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Friday
Jul 10th
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 |
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Mostly Cloudy |
Sunny |
Mostly Sunny |
Mostly Sunny |
Thundershowers |
26°C
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28°C
17°C |
30°C
18°C |
29°C
20°C |
26°C
19°C |
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| St Catharines Detailed Weather Forecast |
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| Monday, July 6th, 2026 |
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Evening |
Temperature: 20°C |
| Cloudy with clear periods with a chance of showers. Slight chance of a thunderstorm. |
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| Tuesday, July 7th, 2026 |
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Overnight |
Temperature: 18°C |
| Clear. |
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Morning |
Temperature: 22°C |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 28°C |
| Sunny. Windy at times. |
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Evening |
Temperature: 22°C |
| Clear. |
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| Wednesday, July 8th, 2026 |
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Overnight |
Temperature: 18°C |
| Clear. |
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Morning |
Temperature: 24°C |
| Mostly sunny. |
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Afternoon |
Temperature: 29°C |
| Sunny. |
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Evening |
Temperature: 23°C |
| Mostly clear. |
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| Thursday, July 9th, 2026 |
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Overnight |
Temperature: 20°C |
| Mostly clear. |
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Morning |
Temperature: 24°C |
| Mostly sunny. Windy at times. |
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Afternoon |
Temperature: 28°C |
| A mix of sun and cloud with a slight chance of showers or thundershowers. Windy at times. |
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Evening |
Temperature: 23°C |
| Clear with cloudy periods with a chance of showers or thundershowers. |
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| Friday, July 10th, 2026 |
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Overnight |
Temperature: 21°C |
| Mostly cloudy with a chance of showers. Slight chance of a thunderstorm. |
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Morning |
Temperature: 20°C |
| Cloudy with showers. |
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Afternoon |
Temperature: 24°C |
| Sunny with a few showers. Chance of a thunderstorm. |
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Evening |
Temperature: 21°C |
| Clear with a chance of showers. Slight chance of a thunderstorm. |
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| Saturday, July 11th, 2026 |
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Overnight |
Temperature: 18°C |
| Clear. |
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Morning |
Temperature: 23°C |
| Sunny. |
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Afternoon |
Temperature: 28°C |
| Mostly sunny. |
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Evening |
Temperature: 23°C |
| Mostly clear. |
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| Sunday, July 12th, 2026 |
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Overnight |
Temperature: 20°C |
| Mostly clear. |
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Morning |
Temperature: 23°C |
| Mostly sunny. Slight chance of a thunderstorm. |
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Afternoon |
Temperature: 26°C |
| Mostly sunny. Chance of a thunderstorm. |
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Evening |
Temperature: 22°C |
| Clear with a chance of showers or thundershowers. |
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| Monday, July 13th, 2026 |
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Overnight |
Temperature: 18°C |
| Clear with a chance of showers. |
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Morning |
Temperature: 22°C |
| Sunny. |
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Afternoon |
Temperature: 28°C |
| Sunny. Chance of a thunderstorm. |
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Evening |
Temperature: 23°C |
| Mostly clear. Chance of a thunderstorm. |
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| Tuesday, July 14th, 2026 |
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Overnight |
Temperature: 19°C |
| Mostly clear with a chance of showers. Slight chance of a thunderstorm. |
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Morning |
Temperature: 23°C |
| Sunny with a slight chance of showers or thundershowers. |
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Afternoon |
Temperature: 27°C |
| Sunny with cloudy periods. Slight chance of a thunderstorm. |
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Evening |
Temperature: 22°C |
| Clear. Slight chance of a thunderstorm. |
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