Ottawa’s first flurries of the season could arrive sometime this week as cool temperatures roll in. According to Environment Canada’s weather forecast, it will be mainly cloudy in Ottawa on Wednesday. Overnight, expect a 30 per cent chance of rain or flurries. The temperature will reach a high of 7 C on Wednesday and overnight, it will hit a low of 1 C. On Thursday, expect a mainly cloudy day with a high of 5 C and a chance of showers or flurries overnight. On Friday and Saturday, expect cloudy days with temperature highs of 2 C and 4 C, respectively.