 |
 Current St Catharines Weather Conditions |
Updated July 3rd at 7:00 pm |
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| Overcast |
| Temperature: | 30°C |
Dew Point: | 23°C |
| Barometer: | 101.3 kPa |
Wind: | N 14 Km/h |
| Humidity: | 66.2% |
Visibility: | 0 Km |
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| St Catharines Weather Forecast Summary |
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Today
Jul 3rd
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Saturday
Jul 4th
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Sunday
Jul 5th
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Monday
Jul 6th
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Tuesday
Jul 7th
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Thundershowers |
Mostly Sunny |
Mostly Sunny |
Showers |
Mix of Cloud and Sun |
30°C
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28°C
21°C |
28°C
20°C |
22°C
20°C |
24°C
18°C |
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| St Catharines Detailed Weather Forecast |
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| Friday, July 3rd, 2026 |
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Evening |
Temperature: 23°C |
| Mostly clear with showers likely. Chance of a thunderstorm. |
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| Saturday, July 4th, 2026 |
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Overnight |
Temperature: 21°C |
| Cloudy with clear periods. Slight chance of a thunderstorm. |
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Morning |
Temperature: 25°C |
| Mostly sunny with a chance of showers or thundershowers. |
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Afternoon |
Temperature: 28°C |
| Mostly sunny with a chance of showers or thundershowers. |
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Evening |
Temperature: 22°C |
| Mostly clear with a chance of showers or thundershowers. |
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| Sunday, July 5th, 2026 |
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Overnight |
Temperature: 21°C |
| A mix of cloudy and clear skies with a slight chance of showers or thundershowers. |
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Morning |
Temperature: 23°C |
| A mix of cloud and sun with a slight chance of showers or thundershowers. |
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Afternoon |
Temperature: 28°C |
| Mostly sunny with a chance of showers or thundershowers. |
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Evening |
Temperature: 21°C |
| Mostly clear with a chance of showers. Windy at times. |
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| Monday, July 6th, 2026 |
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Overnight |
Temperature: 20°C |
| Clear with cloudy periods with a chance of showers. |
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Morning |
Temperature: 20°C |
| Cloudy with showers likely. |
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Afternoon |
Temperature: 21°C |
| Mostly cloudy with a few showers. |
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Evening |
Temperature: 21°C |
| A mix of clear and cloudy skies with showers likely. Slight chance of a thunderstorm. |
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| Tuesday, July 7th, 2026 |
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Overnight |
Temperature: 19°C |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 20°C |
| A mix of cloud and sun. |
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Afternoon |
Temperature: 23°C |
| A mix of cloud and sun. |
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Evening |
Temperature: 21°C |
| A mix of clear and cloudy skies. |
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| Wednesday, July 8th, 2026 |
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Overnight |
Temperature: 18°C |
| Clear. |
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Morning |
Temperature: 23°C |
| Mostly sunny. |
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Afternoon |
Temperature: 28°C |
| Mostly sunny. Slight chance of a thunderstorm. |
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Evening |
Temperature: 23°C |
| 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: 25°C |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 29°C |
| Sunny. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 25°C |
| Clear with cloudy periods with a slight chance of showers or thundershowers. |
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| Friday, July 10th, 2026 |
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Overnight |
Temperature: 22°C |
| Clear with cloudy periods with showers likely. Chance of a thunderstorm. Windy at times. |
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Morning |
Temperature: 23°C |
| A mix of sun and cloud with showers likely. Chance of a thunderstorm. |
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Afternoon |
Temperature: 28°C |
| Sunny with cloudy periods with a chance of showers or thundershowers. |
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Evening |
Temperature: 24°C |
| Clear. Chance of a thunderstorm. |
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| Saturday, July 11th, 2026 |
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Overnight |
Temperature: 21°C |
| Clear. |
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Morning |
Temperature: 25°C |
| Sunny. Slight chance of a thunderstorm. |
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Afternoon |
Temperature: 30°C |
| Sunny. Chance of a thunderstorm. |
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Evening |
Temperature: 25°C |
| A mix of cloudy and clear skies. Slight chance of a thunderstorm. |
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