Toronto Weather Forecast, maximal polite

Tonightgood17Partly cloudy.
Sundaygood27A mix of sun and cloud. Humidex 31. UV index 8 or very high.
Sunday nightgood15Clear.
Mondaygood27A mix of sun and cloud.
Monday nightgood19Increasing cloudiness.
Tuesdayok23Showers or thunderstorms.
Tuesday nightbad16Cloudy with 70% chance of showers or thunderstorms.
Wednesdaygood23A mix of sun and cloud.
Wednesday nightgood11Clear.
Thursdaygood25A mix of sun and cloud.
Thursday nightgood13Clear.
Fridaygood26A mix of sun and cloud.
As of Sat Aug 18 18:45:01 2018

Change style... minimal polite | minimal frank | maximal polite | maximal frank | raw

How does hogdex come up with the ratings?