Toronto is in for a stretch of spectacular fall weather, with daytime highs more typical of July than October. Forecasts indicate that Friday will reach 25 °C under clear skies, followed by sunny highs of 27 °C on both Saturday and Sunday. The warmth will linger into Monday, also expected to reach 27 °C, before a sharp cool-down arrives midweek. What to expect the second week of OctoberWhile the warmth will hold through Monday’s 27 °C high, forecasters warn it won’t last. By midweek, daytime highs are projected to fall into the mid-teens, aligning more closely with historical averages.