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| Extended Forecast - Environment Canada | ||||||
Wed, 20 May
 A mix of sun and cloud Max: 11°C |
Thu, 21 May
A mix of sun and cloud Max: 19°C |
Fri, 22 May
 Cloudy Max: 19°C |
Sat, 23 May
 Chance of showers Max: 15°C |
Sun, 24 May
 Chance of showers Max: 19°C |
Mon, 25 May
A mix of sun and cloud Max: 23°C |
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| Tonight
Chance of showers Min: 7°C |
Night
 Clear Min: 3°C |
Night
 Cloudy periods Min: 6°C |
Night
Chance of showers Min: 10°C |
Night
Cloudy Min: 12°C |
Night
Cloudy Min: 13°C |
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Forecast
London, ON (Issued: 10:27 PM EDT Tuesday 19 May 2026)
- Tonight
- Cloudy with 40 percent chance of showers. Wind northwest 30 km/h gusting to 50. Low 7.
- Wed, 20 May
- A mix of sun and cloud. Wind northwest 30 km/h gusting to 50. High 11. UV index 9 or very high.
- Night
- Clear. Wind north 20 km/h. Low plus 3 with risk of frost.
- Thu, 21 May
- Sunny. High 19.
- Night
- Cloudy periods. Low 6.
- Fri, 22 May
- Cloudy. High 19.
- Night
- Cloudy with 70 percent chance of showers. Low 10.
- Sat, 23 May
- Cloudy with 70 percent chance of showers. Windy. High 15.
- Night
- Cloudy. Low 12.
- Sun, 24 May
- Cloudy with 40 percent chance of showers. High 19.
- Night
- Cloudy. Low 13.
- Mon, 25 May
- A mix of sun and cloud. High 23.
24 Hour Forecast - London, ON
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