You will want to put on a sweater or jacket as you head out the door today, but warmer-than-normal temperatures are expected to return to Ottawa this week. The temperature dropped to 6.5 C at 6 a.m., below the normal seasonal low of 9 C. Environment Canada’s forecast calls for a mainly sunny start to the day, with increasing cloudiness later this morning. There is a 60 per cent chance of showers this afternoon. High 20 C. It will be mainly cloudy tonight with a 30 per cent chance of showers. Low 16 C. Wednesday will see a mix of sun and cloud. High 26 C. A mix of sun and cloud is expected on Thursday with a 30 per cent chance of showers. High 24 C. The outlook for Friday calls for sunshine. High 21 C. Saturday will be cloudy. High 16 C. The normal temperatures for this time of year are a high of 19 C and a low of 9 C.