Toronto Weather Forecast, maximal polite

Tonightgood17A few clouds. Wind south 20 km/h becoming light this evening.
Wednesdaygood27Sunny. Humidex 28. UV index 8 or very high.
Wednesday nightgood17Clear.
Thursday nightgood17Cloudy periods.
Fridaygood28A mix of sun and cloud.
Friday nightgood19Cloudy with 40% chance of showers.
Saturdaygood26Cloudy with 60% chance of showers.
Saturday nightgood20Cloudy periods with 40% chance of showers.
Sundaygood28A mix of sun and cloud.
Sunday nightgood21Cloudy periods.
Mondaybad30A mix of sun and cloud.
As of Tue Aug 3 18:45:02 2021

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How does hogdex come up with the ratings?