Toronto Weather Forecast, maximal polite

Todaygood6A mix of sun and cloud. Wind becoming southwest 20 km/h this morning then becoming northwest 20 gusting to 40 late this afternoon. UV index 3 or moderate.
Tonightterrible-10Clearing this evening. Wind northwest 20 km/h gusting to 40 becoming light this evening.
Mondaygood2Sunny. Wind becoming northeast 20 km/h in the morning.
Monday nightbad-7Clear.
Tuesday nightbad-5Clear.
Wednesdaygood5A mix of sun and cloud.
Wednesday nightok-4Cloudy periods.
Thursdaygood4A mix of sun and cloud.
Thursday nightbad-7Cloudy periods.
Friday nightbad-8Clear.
Saturdaygood2A mix of sun and cloud.
As of Sun Mar 18 06:45:02 2018

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

How does hogdex come up with the ratings?