Most of the region will see a mainly sunny day tomorrow, while Extreme Southwestern Ontario will see a mix of sun and cloud.
Frost is expected overnight in portions of Central and Eastern Ontario. Cover up any outdoor plants or bring them inside to prevent damage. Frost Advisories have been issued by Environment Canada.
Fog patches will be possible again tonight. If travelling, ensure your full lighting system is turned on. Slow down and drive with caution in areas of poor visibility.
High temperatures will range from 18°C to 24°C across the region.