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| Extended Forecast - Environment Canada | ||||||
Today
 Sunny Max: 28°C |
Wed, 5 Aug
Sunny Max: 28°C |
Thu, 6 Aug
 Chance of showers Max: 28°C |
Fri, 7 Aug
Chance of showers Max: 24°C |
Sat, 8 Aug
 Chance of showers Max: 28°C |
Sun, 9 Aug
Chance of showers Max: 28°C |
Mon, 10 Aug
 Chance of showers Max: 25°C |
Tonight
 Clear Min: 15°C |
Night
Clear Min: 17°C |
Night
Chance of showers Min: 18°C |
Night
 Chance of showers Min: 17°C |
Night
Chance of showers Min: 18°C |
Night
 Chance of showers Min: 19°C |
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Forecast
London, ON (Issued: 5:00 AM EDT Tuesday 4 August 2026)
- Today
- Sunny. Fog patches dissipating early this morning. High 28. Humidex 36. UV index 9 or very high.
- Tonight
- Clear. Fog patches developing overnight. Low 15.
- Wed, 5 Aug
- Sunny. Fog patches dissipating in the morning. Wind becoming southwest 20 km/h near noon. High 28. Humidex 33. UV index 9 or very high.
- Night
- Clear. Low 17.
- Thu, 6 Aug
- Cloudy with 40 percent chance of showers. High 28.
- Night
- Cloudy with 40 percent chance of showers. Low 18.
- Fri, 7 Aug
- Cloudy with 40 percent chance of showers. High 24.
- Night
- Cloudy periods with 30 percent chance of showers. Low 17.
- Sat, 8 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 18.
- Sun, 9 Aug
- A mix of sun and cloud with 40 percent chance of showers. High 28.
- Night
- Cloudy periods with 40 percent chance of showers. Low 19.
- Mon, 10 Aug
- Cloudy with 30 percent chance of showers. High 25.
24 Hour Forecast - London, ON
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