Ottawa will experience one more day of sunny, hot and humid weather, before rain moves back into the national capital region. Environment Canada’s forecast calls for a mainly sunny day. High 28 C with the humidex making it feel like 33. It will be partly cloud tonight. Low 18 C. Thursday will be cloudy with a 60 per cent chance of showers in the afternoon. Environment Canada says there is a risk of a thunderstorm. High 29 C with the humidex making it feel like 38. Friday will see mainly cloudy conditions with a 40 per cent chance of showers. High 28 C. The outlook for Saturday calls for a mix of sun and cloud with a 40 per cent chance of showers. High 29 C. Sunday will see a mix of sun and cloud with a 30 per cent chance of showers. High 28 C. The normal temperatures for this time of year are a high of 26 C and a low of 16 C.