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| Extended Forecast - Environment Canada | ||||||
Tue, 11 Aug
 Chance of showers Max: 27°C |
Wed, 12 Aug
 Chance of showers Max: 25°C |
Thu, 13 Aug
 Chance of showers Max: 25°C |
Fri, 14 Aug
 A mix of sun and cloud Max: 24°C |
Sat, 15 Aug
A mix of sun and cloud Max: 23°C |
Sun, 16 Aug
 Chance of showers Max: 24°C |
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Tonight
 Chance of showers Min: 17°C |
Night
Chance of showers Min: 15°C |
Night
 Chance of showers Min: 17°C |
Night
 Chance of showers Min: 14°C |
Night
 Clear Min: 11°C |
Night
 Cloudy periods Min: 14°C |
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Forecast
London, ON (Issued: 3:30 PM EDT Monday 10 August 2026)
- Tonight
- Mainly cloudy with 40 percent chance of showers and risk of a thunderstorm. Fog patches developing overnight. Wind southwest 20 km/h becoming light early this evening. Low 17.
- Tue, 11 Aug
- A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Fog patches dissipating in the morning. High 27. Humidex 32. UV index 8 or very high.
- Night
- Partly cloudy. 40 percent chance of showers in the evening with risk of a thunderstorm. Low 15.
- Wed, 12 Aug
- Cloudy with 30 percent chance of showers. High 25.
- Night
- Cloudy with 60 percent chance of showers. Low 17.
- Thu, 13 Aug
- A mix of sun and cloud with 40 percent chance of showers. High 25.
- Night
- Cloudy periods with 30 percent chance of showers. Low 14.
- Fri, 14 Aug
- A mix of sun and cloud. High 24.
- Night
- Clear. Low 11.
- Sat, 15 Aug
- A mix of sun and cloud. High 23.
- Night
- Cloudy periods. Low 14.
- Sun, 16 Aug
- Cloudy with 40 percent chance of showers. High 24.
24 Hour Forecast - London, ON
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