It will be a sunny and warm Saturday in Ottawa, before hot and humid conditions move into the national capital region on Sunday. Environment Canada’s forecast calls for sunshine and a high of 26 C today. The normal daytime high for this time of year is 27 C. It will be clear tonight. Low 13 C. Sunday will see mainly sunny conditions. The high will be 29 C with the humidex making it feel like 32. A mix of sun and cloud is expected on Monday, with a 30 per cent chance of showers. High 31 C. The outlook for Tuesday calls for sunshine. High 34 C. Wednesday will be sunny. High 30 C.