Toronto Weather Forecast, maximal frank

Tonightcrappy6Periods of rain. Fog patches developing overnight.
Wednesdaycrappy11Periods of rain. Amount 10 to 15 mm. Fog patches dissipating late in the morning.
Wednesday nightcrappy6Periods of rain. Amount 5 to 10 mm. Wind becoming north 20 km/h in the evening.
Thursdaynot too shabby16Cloudy with 40% chance of showers.
Thursday nightnot too shabby2Cloudy periods.
Fridaynot too shabby14A mix of sun and cloud.
Friday nightnot too shabby4Cloudy with 60% chance of showers.
Saturdaynot too shabby10Cloudy with 40% chance of showers.
Saturday nightnot too shabby1Cloudy periods.
Sundaynot too shabby13Sunny.
Sunday nightnot too shabby3Clear.
Mondaynot too shabby20Sunny.
As of Tue Apr 24 18:45:02 2018

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How does hogdex come up with the ratings?