
Saturday will bring showers to Southwestern Ontario throughout the day, with a mix of sun and cloud elsewhere.
There will be the risk for a thunderstorm in Central and Eastern Ontario during the afternoon hours. The main hazard is expected to be torrential downpours.
Summer officially arrives on Sunday at 4:24 AM! There is a chance for some rain during the evening hours on Sunday, so Father’s Day plans during the day should fair pretty well. Some gusty winds are possible during the overnight hours into Monday morning.
Temperatures in yellow represent forecasted Humidex values.

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