It will be mainly cloudy with some showers on Wednesday, the National Day for Truth and Reconciliation. Environment Canada’s forecast for Ottawa shows a 40 per cent chance of drizzle early this morning. Fog patches are expected to dissipate this morning. High 21 C, above seasonal levels. It will be mainly cloudy this evening. Low 15 C. The forecast shows some wet weather for the last couple of days of the work week. Thursday will be cloudy with a 30 per cent chance of showers late in the morning and in the afternoon. High 21 C. Friday will be cloudy with a 30 per cent chance of showers. High 16 C. The weekend shows a mix of sun and clouds. It will be clear on Saturday. High of 17 C. The average temperature for this time of year in Ottawa is a high of 16 C and a low of 6 C.