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| Extended Forecast - Environment Canada | ||||||
Tue, 1 Sep
 Chance of showers Max: 30°C |
Wed, 2 Sep
 Chance of showers Max: 31°C |
Thu, 3 Sep
 Chance of showers Max: 27°C |
Fri, 4 Sep
 A mix of sun and cloud Max: 26°C |
Sat, 5 Sep
A mix of sun and cloud Max: 25°C |
Sun, 6 Sep
A mix of sun and cloud Max: 24°C |
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Tonight
 Chance of showers Min: 21°C |
Night
 Chance of showers Min: 21°C |
Night
 Chance of showers Min: 18°C |
Night
 Chance of showers Min: 17°C |
Night
 Cloudy periods Min: 15°C |
Night
Cloudy periods Min: 15°C |
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Forecast
London, ON (Issued: 11:21 PM EDT Monday 31 August 2026)
- Tonight
- Cloudy with 40 percent chance of showers and risk of a thunderstorm. Fog patches developing near midnight. Low 21.
- Tue, 1 Sep
- Cloudy. Becoming a mix of sun and cloud in the afternoon with 60 percent chance of showers later in the afternoon. Risk of a thunderstorm in the afternoon. Fog patches dissipating in the morning. High 30. Humidex 38. UV index 7 or high.
- Night
- Partly cloudy with 40 percent chance of showers and risk of a thunderstorm. Low 21.
- Wed, 2 Sep
- A mix of sun and cloud with 40 percent chance of showers. High 31.
- Night
- Cloudy periods with 40 percent chance of showers. Low 18.
- Thu, 3 Sep
- Cloudy with 30 percent chance of showers. High 27.
- Night
- Cloudy periods with 30 percent chance of showers. Low 17.
- Fri, 4 Sep
- A mix of sun and cloud. High 26.
- Night
- Cloudy periods. Low 15.
- Sat, 5 Sep
- A mix of sun and cloud. High 25.
- Night
- Cloudy periods. Low 15.
- Sun, 6 Sep
- A mix of sun and cloud. High 24.
24 Hour Forecast - London, ON
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