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| Extended Forecast - Environment Canada | ||||||
Today
 Chance of showers Max: 27°C |
Wed, 12 Aug
Chance of showers Max: 28°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 |
Mon, 17 Aug
A mix of sun and cloud Max: 25°C |
Tonight
 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 |
Night
 Chance of showers Min: 16°C |
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Forecast
London, ON (Issued: 5:00 AM EDT Tuesday 11 August 2026)
- Today
- A mix of sun and cloud. 40 percent chance of showers late this afternoon with risk of a thunderstorm. Fog patches dissipating this morning. High 27. Humidex 32. UV index 8 or very high.
- Tonight
- Partly cloudy. 40 percent chance of showers this evening with risk of a thunderstorm. Low 15.
- Wed, 12 Aug
- Mainly cloudy. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming south 20 km/h gusting to 40 late in the afternoon. High 28. Humidex 36. UV index 8 or very high.
- 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.
- Night
- Cloudy periods with 40 percent chance of showers. Low 16.
- Mon, 17 Aug
- A mix of sun and cloud. High 25.
24 Hour Forecast - London, ON
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