Most of the region will see a mainly sunny day tomorrow, while Southwestern Ontario will see a mix of sun and cloud throughout the day.
Frost Advisories have been issued for some parts of the region by Environment and Climate Change Canada. Each region has it's own ending date for Frost Advisories. A widespread freeze is expected across the region tonight. Ensure any outdoor plants are covered or brought inside to prevent damage.
Fog is expected to develop across the region tonight into tomorrow morning. If travelling, ensure your full light system is turned on. Slow down and drive with caution in areas of poor visibility. As temperatures fall below freezing, there is the potential for freezing fog, which may create icy surfaces.
High temperatures will range from 8°C to 11°C across the region.