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| Extended Forecast - Environment Canada | ||||||
Wed, 12 Aug
 Chance of showers Max: 26°C |
Thu, 13 Aug
 Chance of showers Max: 28°C |
Fri, 14 Aug
 Sunny Max: 26°C |
Sat, 15 Aug
Sunny Max: 26°C |
Sun, 16 Aug
 Chance of showers Max: 26°C |
Mon, 17 Aug
 Chance of showers Max: 24°C |
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Tonight
 Chance of showers Min: 15°C |
Night
Chance of showers Min: 16°C |
Night
 Chance of showers Min: 15°C |
Night
 Clear Min: 12°C |
Night
 Cloudy Min: 16°C |
Night
Chance of showers Min: 16°C |
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Forecast
London, ON (Issued: 3:30 PM EDT Tuesday 11 August 2026)
- Tonight
- Partly cloudy. 40 percent chance of showers this evening with risk of a thunderstorm. Fog patches developing overnight. Low 15.
- Wed, 12 Aug
- Mainly cloudy with 40 percent chance of showers and risk of a thunderstorm. Fog patches dissipating in the morning. Wind becoming south 20 km/h near noon. High 26. Humidex 34. UV index 7 or high.
- Night
- Mainly cloudy. 40 percent chance of showers in the evening with risk of a thunderstorm. Low 16.
- Thu, 13 Aug
- A mix of sun and cloud with 40 percent chance of showers. High 28.
- Night
- Cloudy periods with 30 percent chance of showers. Low 15.
- Fri, 14 Aug
- Sunny. High 26.
- Night
- Clear. Low 12.
- Sat, 15 Aug
- Sunny. High 26.
- Night
- Increasing cloudiness. Low 16.
- Sun, 16 Aug
- Cloudy with 40 percent chance of showers. High 26.
- Night
- Cloudy with 40 percent chance of showers. Low 16.
- Mon, 17 Aug
- A mix of sun and cloud with 30 percent chance of showers. High 24.
24 Hour Forecast - London, ON
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