Summer Forecast 2024 Ontario. But when it comes to rain, environment and climate change canada (eccc) said that the forecast is a little bit murkier. According to the weather network’s summer forecast for the months of june, july, and august, most of canada will.

The summer season is almost upon us and ontario’s weather is looking quite extreme for the next few months. As ontarians experience sweltering hot temperatures just ahead of the official summer.